Home / 7,685.28-10,604.02-4,327.72

Finding the Fourth Proportional to 7,685.28, 10,604.02 and 4,327.72

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Solution

The fourth proportional to 7,685.28, 10,604.02 and 4,327.72 is: 5,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.28 : 10,604.02 = 4,327.72 : x
  2. Step 2: Convert to fraction form
    7,685.28/10,604.02 = 4,327.72/x
  3. Step 3: Cross multiply
    7,685.28x = 10,604.02 × 4,327.72
  4. Step 4: Simplify right side
    7,685.28x = 45,891,229.43
  5. Step 5: Solve for x
    x = 45,891,229.43/7,685.28
  6. Step 6: Final answer
    x = 5,971.32

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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.