Home / 8,587.17-12,880.33-5,031.30

Finding the Fourth Proportional to 8,587.17, 12,880.33 and 5,031.30

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Solution

The fourth proportional to 8,587.17, 12,880.33 and 5,031.30 is: 7,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.17 : 12,880.33 = 5,031.30 : x
  2. Step 2: Convert to fraction form
    8,587.17/12,880.33 = 5,031.30/x
  3. Step 3: Cross multiply
    8,587.17x = 12,880.33 × 5,031.30
  4. Step 4: Simplify right side
    8,587.17x = 64,804,791.75
  5. Step 5: Solve for x
    x = 64,804,791.75/8,587.17
  6. Step 6: Final answer
    x = 7,546.70

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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.