Home / 6,981.17-10,447.60-4,311.66

Finding the Fourth Proportional to 6,981.17, 10,447.60 and 4,311.66

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Solution

The fourth proportional to 6,981.17, 10,447.60 and 4,311.66 is: 6,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.17 : 10,447.60 = 4,311.66 : x
  2. Step 2: Convert to fraction form
    6,981.17/10,447.60 = 4,311.66/x
  3. Step 3: Cross multiply
    6,981.17x = 10,447.60 × 4,311.66
  4. Step 4: Simplify right side
    6,981.17x = 45,046,535.50
  5. Step 5: Solve for x
    x = 45,046,535.50/6,981.17
  6. Step 6: Final answer
    x = 6,452.58

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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.