Home / 8,590.70-12,887.32-2,668.18

Finding the Fourth Proportional to 8,590.70, 12,887.32 and 2,668.18

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Solution

The fourth proportional to 8,590.70, 12,887.32 and 2,668.18 is: 4,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.70 : 12,887.32 = 2,668.18 : x
  2. Step 2: Convert to fraction form
    8,590.70/12,887.32 = 2,668.18/x
  3. Step 3: Cross multiply
    8,590.70x = 12,887.32 × 2,668.18
  4. Step 4: Simplify right side
    8,590.70x = 34,385,650.38
  5. Step 5: Solve for x
    x = 34,385,650.38/8,590.70
  6. Step 6: Final answer
    x = 4,002.66

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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.