Home / 7,135.03-10,691.16-6,519.43

Finding the Fourth Proportional to 7,135.03, 10,691.16 and 6,519.43

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Solution

The fourth proportional to 7,135.03, 10,691.16 and 6,519.43 is: 9,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.03 : 10,691.16 = 6,519.43 : x
  2. Step 2: Convert to fraction form
    7,135.03/10,691.16 = 6,519.43/x
  3. Step 3: Cross multiply
    7,135.03x = 10,691.16 × 6,519.43
  4. Step 4: Simplify right side
    7,135.03x = 69,700,269.24
  5. Step 5: Solve for x
    x = 69,700,269.24/7,135.03
  6. Step 6: Final answer
    x = 9,768.74

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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.