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Finding the Fourth Proportional to 9,591.75, 14,393.70 and 4,397.76

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Solution

The fourth proportional to 9,591.75, 14,393.70 and 4,397.76 is: 6,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591.75 : 14,393.70 = 4,397.76 : x
  2. Step 2: Convert to fraction form
    9,591.75/14,393.70 = 4,397.76/x
  3. Step 3: Cross multiply
    9,591.75x = 14,393.70 × 4,397.76
  4. Step 4: Simplify right side
    9,591.75x = 63,300,038.11
  5. Step 5: Solve for x
    x = 63,300,038.11/9,591.75
  6. Step 6: Final answer
    x = 6,599.43

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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.