Home / 7,454.13-11,186.30-3,071.55

Finding the Fourth Proportional to 7,454.13, 11,186.30 and 3,071.55

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Solution

The fourth proportional to 7,454.13, 11,186.30 and 3,071.55 is: 4,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.13 : 11,186.30 = 3,071.55 : x
  2. Step 2: Convert to fraction form
    7,454.13/11,186.30 = 3,071.55/x
  3. Step 3: Cross multiply
    7,454.13x = 11,186.30 × 3,071.55
  4. Step 4: Simplify right side
    7,454.13x = 34,359,329.39
  5. Step 5: Solve for x
    x = 34,359,329.39/7,454.13
  6. Step 6: Final answer
    x = 4,609.44

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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.