Home / 7,126.17-10,689.44-3,377.07

Finding the Fourth Proportional to 7,126.17, 10,689.44 and 3,377.07

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Solution

The fourth proportional to 7,126.17, 10,689.44 and 3,377.07 is: 5,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.17 : 10,689.44 = 3,377.07 : x
  2. Step 2: Convert to fraction form
    7,126.17/10,689.44 = 3,377.07/x
  3. Step 3: Cross multiply
    7,126.17x = 10,689.44 × 3,377.07
  4. Step 4: Simplify right side
    7,126.17x = 36,099,013.86
  5. Step 5: Solve for x
    x = 36,099,013.86/7,126.17
  6. Step 6: Final answer
    x = 5,065.69

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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.