Home / 4,139.17-6,175.16-3,800.47

Finding the Fourth Proportional to 4,139.17, 6,175.16 and 3,800.47

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Solution

The fourth proportional to 4,139.17, 6,175.16 and 3,800.47 is: 5,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.17 : 6,175.16 = 3,800.47 : x
  2. Step 2: Convert to fraction form
    4,139.17/6,175.16 = 3,800.47/x
  3. Step 3: Cross multiply
    4,139.17x = 6,175.16 × 3,800.47
  4. Step 4: Simplify right side
    4,139.17x = 23,468,510.33
  5. Step 5: Solve for x
    x = 23,468,510.33/4,139.17
  6. Step 6: Final answer
    x = 5,669.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.