Home / 7,619.40-10,515.24-4,262.61

Finding the Fourth Proportional to 7,619.40, 10,515.24 and 4,262.61

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Solution

The fourth proportional to 7,619.40, 10,515.24 and 4,262.61 is: 5,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.40 : 10,515.24 = 4,262.61 : x
  2. Step 2: Convert to fraction form
    7,619.40/10,515.24 = 4,262.61/x
  3. Step 3: Cross multiply
    7,619.40x = 10,515.24 × 4,262.61
  4. Step 4: Simplify right side
    7,619.40x = 44,822,367.18
  5. Step 5: Solve for x
    x = 44,822,367.18/7,619.40
  6. Step 6: Final answer
    x = 5,882.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.