Home / 7,386.34-11,067.18-5,191.14

Finding the Fourth Proportional to 7,386.34, 11,067.18 and 5,191.14

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Solution

The fourth proportional to 7,386.34, 11,067.18 and 5,191.14 is: 7,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.34 : 11,067.18 = 5,191.14 : x
  2. Step 2: Convert to fraction form
    7,386.34/11,067.18 = 5,191.14/x
  3. Step 3: Cross multiply
    7,386.34x = 11,067.18 × 5,191.14
  4. Step 4: Simplify right side
    7,386.34x = 57,451,280.79
  5. Step 5: Solve for x
    x = 57,451,280.79/7,386.34
  6. Step 6: Final answer
    x = 7,778.04

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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.