Home / 6,137.95-8,470.14-3,620.17

Finding the Fourth Proportional to 6,137.95, 8,470.14 and 3,620.17

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Solution

The fourth proportional to 6,137.95, 8,470.14 and 3,620.17 is: 4,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137.95 : 8,470.14 = 3,620.17 : x
  2. Step 2: Convert to fraction form
    6,137.95/8,470.14 = 3,620.17/x
  3. Step 3: Cross multiply
    6,137.95x = 8,470.14 × 3,620.17
  4. Step 4: Simplify right side
    6,137.95x = 30,663,350.46
  5. Step 5: Solve for x
    x = 30,663,350.46/6,137.95
  6. Step 6: Final answer
    x = 4,995.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.