Home / 7,191.60-10,791.57-3,031.29

Finding the Fourth Proportional to 7,191.60, 10,791.57 and 3,031.29

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Solution

The fourth proportional to 7,191.60, 10,791.57 and 3,031.29 is: 4,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.60 : 10,791.57 = 3,031.29 : x
  2. Step 2: Convert to fraction form
    7,191.60/10,791.57 = 3,031.29/x
  3. Step 3: Cross multiply
    7,191.60x = 10,791.57 × 3,031.29
  4. Step 4: Simplify right side
    7,191.60x = 32,712,378.23
  5. Step 5: Solve for x
    x = 32,712,378.23/7,191.60
  6. Step 6: Final answer
    x = 4,548.69

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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.