Home / 4,572.20-6,312.71-2,871.43

Finding the Fourth Proportional to 4,572.20, 6,312.71 and 2,871.43

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Solution

The fourth proportional to 4,572.20, 6,312.71 and 2,871.43 is: 3,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.20 : 6,312.71 = 2,871.43 : x
  2. Step 2: Convert to fraction form
    4,572.20/6,312.71 = 2,871.43/x
  3. Step 3: Cross multiply
    4,572.20x = 6,312.71 × 2,871.43
  4. Step 4: Simplify right side
    4,572.20x = 18,126,473.31
  5. Step 5: Solve for x
    x = 18,126,473.31/4,572.20
  6. Step 6: Final answer
    x = 3,964.50

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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.