Home / 6,251.81-8,627.50-3,419.13

Finding the Fourth Proportional to 6,251.81, 8,627.50 and 3,419.13

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Solution

The fourth proportional to 6,251.81, 8,627.50 and 3,419.13 is: 4,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.81 : 8,627.50 = 3,419.13 : x
  2. Step 2: Convert to fraction form
    6,251.81/8,627.50 = 3,419.13/x
  3. Step 3: Cross multiply
    6,251.81x = 8,627.50 × 3,419.13
  4. Step 4: Simplify right side
    6,251.81x = 29,498,561.47
  5. Step 5: Solve for x
    x = 29,498,561.47/6,251.81
  6. Step 6: Final answer
    x = 4,718.41

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1.5x scale

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.