Home / 7,372.62-11,061.36-2,988.90

Finding the Fourth Proportional to 7,372.62, 11,061.36 and 2,988.90

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Solution

The fourth proportional to 7,372.62, 11,061.36 and 2,988.90 is: 4,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.62 : 11,061.36 = 2,988.90 : x
  2. Step 2: Convert to fraction form
    7,372.62/11,061.36 = 2,988.90/x
  3. Step 3: Cross multiply
    7,372.62x = 11,061.36 × 2,988.90
  4. Step 4: Simplify right side
    7,372.62x = 33,061,298.90
  5. Step 5: Solve for x
    x = 33,061,298.90/7,372.62
  6. Step 6: Final answer
    x = 4,484.34

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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.