Home / 7,115.40-10,672.46-2,498.12

Finding the Fourth Proportional to 7,115.40, 10,672.46 and 2,498.12

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Solution

The fourth proportional to 7,115.40, 10,672.46 and 2,498.12 is: 3,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.40 : 10,672.46 = 2,498.12 : x
  2. Step 2: Convert to fraction form
    7,115.40/10,672.46 = 2,498.12/x
  3. Step 3: Cross multiply
    7,115.40x = 10,672.46 × 2,498.12
  4. Step 4: Simplify right side
    7,115.40x = 26,661,085.78
  5. Step 5: Solve for x
    x = 26,661,085.78/7,115.40
  6. Step 6: Final answer
    x = 3,746.96

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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.