Home / 4,447.21-6,139.65-2,957.17

Finding the Fourth Proportional to 4,447.21, 6,139.65 and 2,957.17

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Solution

The fourth proportional to 4,447.21, 6,139.65 and 2,957.17 is: 4,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.21 : 6,139.65 = 2,957.17 : x
  2. Step 2: Convert to fraction form
    4,447.21/6,139.65 = 2,957.17/x
  3. Step 3: Cross multiply
    4,447.21x = 6,139.65 × 2,957.17
  4. Step 4: Simplify right side
    4,447.21x = 18,155,988.79
  5. Step 5: Solve for x
    x = 18,155,988.79/4,447.21
  6. Step 6: Final answer
    x = 4,082.56

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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.