Home / 4,571.80-6,857.70-1,285.45

Finding the Fourth Proportional to 4,571.80, 6,857.70 and 1,285.45

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Solution

The fourth proportional to 4,571.80, 6,857.70 and 1,285.45 is: 1,928.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.80 : 6,857.70 = 1,285.45 : x
  2. Step 2: Convert to fraction form
    4,571.80/6,857.70 = 1,285.45/x
  3. Step 3: Cross multiply
    4,571.80x = 6,857.70 × 1,285.45
  4. Step 4: Simplify right side
    4,571.80x = 8,815,230.47
  5. Step 5: Solve for x
    x = 8,815,230.47/4,571.80
  6. Step 6: Final answer
    x = 1,928.18

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.