Home / 5,037.53-7,555.07-2,115.05

Finding the Fourth Proportional to 5,037.53, 7,555.07 and 2,115.05

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Solution

The fourth proportional to 5,037.53, 7,555.07 and 2,115.05 is: 3,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,037.53 : 7,555.07 = 2,115.05 : x
  2. Step 2: Convert to fraction form
    5,037.53/7,555.07 = 2,115.05/x
  3. Step 3: Cross multiply
    5,037.53x = 7,555.07 × 2,115.05
  4. Step 4: Simplify right side
    5,037.53x = 15,979,318.32
  5. Step 5: Solve for x
    x = 15,979,318.32/5,037.53
  6. Step 6: Final answer
    x = 3,172.06

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Double scale
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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.