Home / 5,574.40-7,691.31-3,216.53

Finding the Fourth Proportional to 5,574.40, 7,691.31 and 3,216.53

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Solution

The fourth proportional to 5,574.40, 7,691.31 and 3,216.53 is: 4,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.40 : 7,691.31 = 3,216.53 : x
  2. Step 2: Convert to fraction form
    5,574.40/7,691.31 = 3,216.53/x
  3. Step 3: Cross multiply
    5,574.40x = 7,691.31 × 3,216.53
  4. Step 4: Simplify right side
    5,574.40x = 24,739,348.58
  5. Step 5: Solve for x
    x = 24,739,348.58/5,574.40
  6. Step 6: Final answer
    x = 4,438.03

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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.