Home / 9,327.50-13,989.10-2,663.88

Finding the Fourth Proportional to 9,327.50, 13,989.10 and 2,663.88

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Solution

The fourth proportional to 9,327.50, 13,989.10 and 2,663.88 is: 3,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.50 : 13,989.10 = 2,663.88 : x
  2. Step 2: Convert to fraction form
    9,327.50/13,989.10 = 2,663.88/x
  3. Step 3: Cross multiply
    9,327.50x = 13,989.10 × 2,663.88
  4. Step 4: Simplify right side
    9,327.50x = 37,265,283.71
  5. Step 5: Solve for x
    x = 37,265,283.71/9,327.50
  6. Step 6: Final answer
    x = 3,995.21

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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.