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Finding the Fourth Proportional to 9,062.66, 13,578.62 and 4,384.88

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Solution

The fourth proportional to 9,062.66, 13,578.62 and 4,384.88 is: 6,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.66 : 13,578.62 = 4,384.88 : x
  2. Step 2: Convert to fraction form
    9,062.66/13,578.62 = 4,384.88/x
  3. Step 3: Cross multiply
    9,062.66x = 13,578.62 × 4,384.88
  4. Step 4: Simplify right side
    9,062.66x = 59,540,619.27
  5. Step 5: Solve for x
    x = 59,540,619.27/9,062.66
  6. Step 6: Final answer
    x = 6,569.88

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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.