Home / 8,587.28-12,881.16-2,347.38

Finding the Fourth Proportional to 8,587.28, 12,881.16 and 2,347.38

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Solution

The fourth proportional to 8,587.28, 12,881.16 and 2,347.38 is: 3,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.28 : 12,881.16 = 2,347.38 : x
  2. Step 2: Convert to fraction form
    8,587.28/12,881.16 = 2,347.38/x
  3. Step 3: Cross multiply
    8,587.28x = 12,881.16 × 2,347.38
  4. Step 4: Simplify right side
    8,587.28x = 30,236,977.36
  5. Step 5: Solve for x
    x = 30,236,977.36/8,587.28
  6. Step 6: Final answer
    x = 3,521.13

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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.