Home / 7,615.16-10,508.20-4,257.50

Finding the Fourth Proportional to 7,615.16, 10,508.20 and 4,257.50

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Solution

The fourth proportional to 7,615.16, 10,508.20 and 4,257.50 is: 5,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.16 : 10,508.20 = 4,257.50 : x
  2. Step 2: Convert to fraction form
    7,615.16/10,508.20 = 4,257.50/x
  3. Step 3: Cross multiply
    7,615.16x = 10,508.20 × 4,257.50
  4. Step 4: Simplify right side
    7,615.16x = 44,738,677.13
  5. Step 5: Solve for x
    x = 44,738,677.13/7,615.16
  6. Step 6: Final answer
    x = 5,874.95

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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.