Home / 9,687.28-14,520.84-4,488.88

Finding the Fourth Proportional to 9,687.28, 14,520.84 and 4,488.88

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Solution

The fourth proportional to 9,687.28, 14,520.84 and 4,488.88 is: 6,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.28 : 14,520.84 = 4,488.88 : x
  2. Step 2: Convert to fraction form
    9,687.28/14,520.84 = 4,488.88/x
  3. Step 3: Cross multiply
    9,687.28x = 14,520.84 × 4,488.88
  4. Step 4: Simplify right side
    9,687.28x = 65,182,308.26
  5. Step 5: Solve for x
    x = 65,182,308.26/9,687.28
  6. Step 6: Final answer
    x = 6,728.65

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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.