Home / 7,437.72-11,155.58-2,507.32

Finding the Fourth Proportional to 7,437.72, 11,155.58 and 2,507.32

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Solution

The fourth proportional to 7,437.72, 11,155.58 and 2,507.32 is: 3,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.72 : 11,155.58 = 2,507.32 : x
  2. Step 2: Convert to fraction form
    7,437.72/11,155.58 = 2,507.32/x
  3. Step 3: Cross multiply
    7,437.72x = 11,155.58 × 2,507.32
  4. Step 4: Simplify right side
    7,437.72x = 27,970,608.85
  5. Step 5: Solve for x
    x = 27,970,608.85/7,437.72
  6. Step 6: Final answer
    x = 3,760.64

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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.