Home / 8,580.19-12,871.92-3,032.90

Finding the Fourth Proportional to 8,580.19, 12,871.92 and 3,032.90

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Solution

The fourth proportional to 8,580.19, 12,871.92 and 3,032.90 is: 4,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.19 : 12,871.92 = 3,032.90 : x
  2. Step 2: Convert to fraction form
    8,580.19/12,871.92 = 3,032.90/x
  3. Step 3: Cross multiply
    8,580.19x = 12,871.92 × 3,032.90
  4. Step 4: Simplify right side
    8,580.19x = 39,039,246.17
  5. Step 5: Solve for x
    x = 39,039,246.17/8,580.19
  6. Step 6: Final answer
    x = 4,549.93

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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.