Home / 7,015.50-10,523.25-2,858.31

Finding the Fourth Proportional to 7,015.50, 10,523.25 and 2,858.31

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Solution

The fourth proportional to 7,015.50, 10,523.25 and 2,858.31 is: 4,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.50 : 10,523.25 = 2,858.31 : x
  2. Step 2: Convert to fraction form
    7,015.50/10,523.25 = 2,858.31/x
  3. Step 3: Cross multiply
    7,015.50x = 10,523.25 × 2,858.31
  4. Step 4: Simplify right side
    7,015.50x = 30,078,710.71
  5. Step 5: Solve for x
    x = 30,078,710.71/7,015.50
  6. Step 6: Final answer
    x = 4,287.47

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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.