Home / 4,572.04-6,858.44-1,285.40

Finding the Fourth Proportional to 4,572.04, 6,858.44 and 1,285.40

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Solution

The fourth proportional to 4,572.04, 6,858.44 and 1,285.40 is: 1,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.04 : 6,858.44 = 1,285.40 : x
  2. Step 2: Convert to fraction form
    4,572.04/6,858.44 = 1,285.40/x
  3. Step 3: Cross multiply
    4,572.04x = 6,858.44 × 1,285.40
  4. Step 4: Simplify right side
    4,572.04x = 8,815,838.78
  5. Step 5: Solve for x
    x = 8,815,838.78/4,572.04
  6. Step 6: Final answer
    x = 1,928.21

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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.