Home / 4,572.30-6,854.40-2,721.45

Finding the Fourth Proportional to 4,572.30, 6,854.40 and 2,721.45

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Solution

The fourth proportional to 4,572.30, 6,854.40 and 2,721.45 is: 4,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.30 : 6,854.40 = 2,721.45 : x
  2. Step 2: Convert to fraction form
    4,572.30/6,854.40 = 2,721.45/x
  3. Step 3: Cross multiply
    4,572.30x = 6,854.40 × 2,721.45
  4. Step 4: Simplify right side
    4,572.30x = 18,653,906.88
  5. Step 5: Solve for x
    x = 18,653,906.88/4,572.30
  6. Step 6: Final answer
    x = 4,079.76

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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.