Home / 8,590.05-12,887.10-2,746.71

Finding the Fourth Proportional to 8,590.05, 12,887.10 and 2,746.71

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Solution

The fourth proportional to 8,590.05, 12,887.10 and 2,746.71 is: 4,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.05 : 12,887.10 = 2,746.71 : x
  2. Step 2: Convert to fraction form
    8,590.05/12,887.10 = 2,746.71/x
  3. Step 3: Cross multiply
    8,590.05x = 12,887.10 × 2,746.71
  4. Step 4: Simplify right side
    8,590.05x = 35,397,126.44
  5. Step 5: Solve for x
    x = 35,397,126.44/8,590.05
  6. Step 6: Final answer
    x = 4,120.71

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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.