Home / 8,990.42-13,488.24-3,724.46

Finding the Fourth Proportional to 8,990.42, 13,488.24 and 3,724.46

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Solution

The fourth proportional to 8,990.42, 13,488.24 and 3,724.46 is: 5,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.42 : 13,488.24 = 3,724.46 : x
  2. Step 2: Convert to fraction form
    8,990.42/13,488.24 = 3,724.46/x
  3. Step 3: Cross multiply
    8,990.42x = 13,488.24 × 3,724.46
  4. Step 4: Simplify right side
    8,990.42x = 50,236,410.35
  5. Step 5: Solve for x
    x = 50,236,410.35/8,990.42
  6. Step 6: Final answer
    x = 5,587.77

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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.