Home / 7,515.42-10,370.14-4,489.61

Finding the Fourth Proportional to 7,515.42, 10,370.14 and 4,489.61

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Solution

The fourth proportional to 7,515.42, 10,370.14 and 4,489.61 is: 6,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.42 : 10,370.14 = 4,489.61 : x
  2. Step 2: Convert to fraction form
    7,515.42/10,370.14 = 4,489.61/x
  3. Step 3: Cross multiply
    7,515.42x = 10,370.14 × 4,489.61
  4. Step 4: Simplify right side
    7,515.42x = 46,557,929.57
  5. Step 5: Solve for x
    x = 46,557,929.57/7,515.42
  6. Step 6: Final answer
    x = 6,194.99

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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.