Home / 4,140.52-6,218.65-3,972.10

Finding the Fourth Proportional to 4,140.52, 6,218.65 and 3,972.10

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Solution

The fourth proportional to 4,140.52, 6,218.65 and 3,972.10 is: 5,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.52 : 6,218.65 = 3,972.10 : x
  2. Step 2: Convert to fraction form
    4,140.52/6,218.65 = 3,972.10/x
  3. Step 3: Cross multiply
    4,140.52x = 6,218.65 × 3,972.10
  4. Step 4: Simplify right side
    4,140.52x = 24,701,099.67
  5. Step 5: Solve for x
    x = 24,701,099.67/4,140.52
  6. Step 6: Final answer
    x = 5,965.70

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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.