Home / 7,974.20-11,003.88-4,437.32

Finding the Fourth Proportional to 7,974.20, 11,003.88 and 4,437.32

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Solution

The fourth proportional to 7,974.20, 11,003.88 and 4,437.32 is: 6,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.20 : 11,003.88 = 4,437.32 : x
  2. Step 2: Convert to fraction form
    7,974.20/11,003.88 = 4,437.32/x
  3. Step 3: Cross multiply
    7,974.20x = 11,003.88 × 4,437.32
  4. Step 4: Simplify right side
    7,974.20x = 48,827,736.80
  5. Step 5: Solve for x
    x = 48,827,736.80/7,974.20
  6. Step 6: Final answer
    x = 6,123.21

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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.