Home / 5,805.28-8,710.80-2,687.59

Finding the Fourth Proportional to 5,805.28, 8,710.80 and 2,687.59

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Solution

The fourth proportional to 5,805.28, 8,710.80 and 2,687.59 is: 4,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.28 : 8,710.80 = 2,687.59 : x
  2. Step 2: Convert to fraction form
    5,805.28/8,710.80 = 2,687.59/x
  3. Step 3: Cross multiply
    5,805.28x = 8,710.80 × 2,687.59
  4. Step 4: Simplify right side
    5,805.28x = 23,411,058.97
  5. Step 5: Solve for x
    x = 23,411,058.97/5,805.28
  6. Step 6: Final answer
    x = 4,032.72

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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.