Home / 7,549.59-10,419.68-4,405.17

Finding the Fourth Proportional to 7,549.59, 10,419.68 and 4,405.17

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Solution

The fourth proportional to 7,549.59, 10,419.68 and 4,405.17 is: 6,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.59 : 10,419.68 = 4,405.17 : x
  2. Step 2: Convert to fraction form
    7,549.59/10,419.68 = 4,405.17/x
  3. Step 3: Cross multiply
    7,549.59x = 10,419.68 × 4,405.17
  4. Step 4: Simplify right side
    7,549.59x = 45,900,439.72
  5. Step 5: Solve for x
    x = 45,900,439.72/7,549.59
  6. Step 6: Final answer
    x = 6,079.86

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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.