Home / 8,588.43-12,887.51-3,657.55

Finding the Fourth Proportional to 8,588.43, 12,887.51 and 3,657.55

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Solution

The fourth proportional to 8,588.43, 12,887.51 and 3,657.55 is: 5,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.43 : 12,887.51 = 3,657.55 : x
  2. Step 2: Convert to fraction form
    8,588.43/12,887.51 = 3,657.55/x
  3. Step 3: Cross multiply
    8,588.43x = 12,887.51 × 3,657.55
  4. Step 4: Simplify right side
    8,588.43x = 47,136,712.20
  5. Step 5: Solve for x
    x = 47,136,712.20/8,588.43
  6. Step 6: Final answer
    x = 5,488.40

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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.