Home / 8,674.52-13,010.30-3,126.76

Finding the Fourth Proportional to 8,674.52, 13,010.30 and 3,126.76

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Solution

The fourth proportional to 8,674.52, 13,010.30 and 3,126.76 is: 4,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.52 : 13,010.30 = 3,126.76 : x
  2. Step 2: Convert to fraction form
    8,674.52/13,010.30 = 3,126.76/x
  3. Step 3: Cross multiply
    8,674.52x = 13,010.30 × 3,126.76
  4. Step 4: Simplify right side
    8,674.52x = 40,680,085.63
  5. Step 5: Solve for x
    x = 40,680,085.63/8,674.52
  6. Step 6: Final answer
    x = 4,689.61

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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.