Home / 7,621.20-10,517.67-4,263.82

Finding the Fourth Proportional to 7,621.20, 10,517.67 and 4,263.82

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Solution

The fourth proportional to 7,621.20, 10,517.67 and 4,263.82 is: 5,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.20 : 10,517.67 = 4,263.82 : x
  2. Step 2: Convert to fraction form
    7,621.20/10,517.67 = 4,263.82/x
  3. Step 3: Cross multiply
    7,621.20x = 10,517.67 × 4,263.82
  4. Step 4: Simplify right side
    7,621.20x = 44,845,397.69
  5. Step 5: Solve for x
    x = 44,845,397.69/7,621.20
  6. Step 6: Final answer
    x = 5,884.29

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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.