Home / 4,139.52-6,217.15-3,971.10

Finding the Fourth Proportional to 4,139.52, 6,217.15 and 3,971.10

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Solution

The fourth proportional to 4,139.52, 6,217.15 and 3,971.10 is: 5,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.52 : 6,217.15 = 3,971.10 : x
  2. Step 2: Convert to fraction form
    4,139.52/6,217.15 = 3,971.10/x
  3. Step 3: Cross multiply
    4,139.52x = 6,217.15 × 3,971.10
  4. Step 4: Simplify right side
    4,139.52x = 24,688,924.37
  5. Step 5: Solve for x
    x = 24,688,924.37/4,139.52
  6. Step 6: Final answer
    x = 5,964.20

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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.