Home / 7,437.28-11,154.72-2,171.05

Finding the Fourth Proportional to 7,437.28, 11,154.72 and 2,171.05

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Solution

The fourth proportional to 7,437.28, 11,154.72 and 2,171.05 is: 3,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.28 : 11,154.72 = 2,171.05 : x
  2. Step 2: Convert to fraction form
    7,437.28/11,154.72 = 2,171.05/x
  3. Step 3: Cross multiply
    7,437.28x = 11,154.72 × 2,171.05
  4. Step 4: Simplify right side
    7,437.28x = 24,217,454.86
  5. Step 5: Solve for x
    x = 24,217,454.86/7,437.28
  6. Step 6: Final answer
    x = 3,256.22

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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.