Home / 5,391.08-8,080.14-2,925.80

Finding the Fourth Proportional to 5,391.08, 8,080.14 and 2,925.80

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Solution

The fourth proportional to 5,391.08, 8,080.14 and 2,925.80 is: 4,385.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.08 : 8,080.14 = 2,925.80 : x
  2. Step 2: Convert to fraction form
    5,391.08/8,080.14 = 2,925.80/x
  3. Step 3: Cross multiply
    5,391.08x = 8,080.14 × 2,925.80
  4. Step 4: Simplify right side
    5,391.08x = 23,640,873.61
  5. Step 5: Solve for x
    x = 23,640,873.61/5,391.08
  6. Step 6: Final answer
    x = 4,385.18

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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.