Home / 7,116.56-9,820.94-4,132.52

Finding the Fourth Proportional to 7,116.56, 9,820.94 and 4,132.52

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Solution

The fourth proportional to 7,116.56, 9,820.94 and 4,132.52 is: 5,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.56 : 9,820.94 = 4,132.52 : x
  2. Step 2: Convert to fraction form
    7,116.56/9,820.94 = 4,132.52/x
  3. Step 3: Cross multiply
    7,116.56x = 9,820.94 × 4,132.52
  4. Step 4: Simplify right side
    7,116.56x = 40,585,230.97
  5. Step 5: Solve for x
    x = 40,585,230.97/7,116.56
  6. Step 6: Final answer
    x = 5,702.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.