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Finding the Fourth Proportional to 8,876.32, 13,314.48 and 3,032.98

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Solution

The fourth proportional to 8,876.32, 13,314.48 and 3,032.98 is: 4,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.32 : 13,314.48 = 3,032.98 : x
  2. Step 2: Convert to fraction form
    8,876.32/13,314.48 = 3,032.98/x
  3. Step 3: Cross multiply
    8,876.32x = 13,314.48 × 3,032.98
  4. Step 4: Simplify right side
    8,876.32x = 40,382,551.55
  5. Step 5: Solve for x
    x = 40,382,551.55/8,876.32
  6. Step 6: Final answer
    x = 4,549.47

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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.