Home / 7,621.13-11,422.56-3,925.10

Finding the Fourth Proportional to 7,621.13, 11,422.56 and 3,925.10

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Solution

The fourth proportional to 7,621.13, 11,422.56 and 3,925.10 is: 5,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.13 : 11,422.56 = 3,925.10 : x
  2. Step 2: Convert to fraction form
    7,621.13/11,422.56 = 3,925.10/x
  3. Step 3: Cross multiply
    7,621.13x = 11,422.56 × 3,925.10
  4. Step 4: Simplify right side
    7,621.13x = 44,834,690.26
  5. Step 5: Solve for x
    x = 44,834,690.26/7,621.13
  6. Step 6: Final answer
    x = 5,882.95

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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.