Home / 9,116.55-13,680.98-3,569.20

Finding the Fourth Proportional to 9,116.55, 13,680.98 and 3,569.20

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Solution

The fourth proportional to 9,116.55, 13,680.98 and 3,569.20 is: 5,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.55 : 13,680.98 = 3,569.20 : x
  2. Step 2: Convert to fraction form
    9,116.55/13,680.98 = 3,569.20/x
  3. Step 3: Cross multiply
    9,116.55x = 13,680.98 × 3,569.20
  4. Step 4: Simplify right side
    9,116.55x = 48,830,153.82
  5. Step 5: Solve for x
    x = 48,830,153.82/9,116.55
  6. Step 6: Final answer
    x = 5,356.21

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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.