Home / 5,573.12-7,691.04-3,215.40

Finding the Fourth Proportional to 5,573.12, 7,691.04 and 3,215.40

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Solution

The fourth proportional to 5,573.12, 7,691.04 and 3,215.40 is: 4,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.12 : 7,691.04 = 3,215.40 : x
  2. Step 2: Convert to fraction form
    5,573.12/7,691.04 = 3,215.40/x
  3. Step 3: Cross multiply
    5,573.12x = 7,691.04 × 3,215.40
  4. Step 4: Simplify right side
    5,573.12x = 24,729,770.02
  5. Step 5: Solve for x
    x = 24,729,770.02/5,573.12
  6. Step 6: Final answer
    x = 4,437.33

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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.