Home / 9,081.66-13,621.68-4,702.80

Finding the Fourth Proportional to 9,081.66, 13,621.68 and 4,702.80

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Solution

The fourth proportional to 9,081.66, 13,621.68 and 4,702.80 is: 7,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.66 : 13,621.68 = 4,702.80 : x
  2. Step 2: Convert to fraction form
    9,081.66/13,621.68 = 4,702.80/x
  3. Step 3: Cross multiply
    9,081.66x = 13,621.68 × 4,702.80
  4. Step 4: Simplify right side
    9,081.66x = 64,060,036.70
  5. Step 5: Solve for x
    x = 64,060,036.70/9,081.66
  6. Step 6: Final answer
    x = 7,053.78

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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.