Home / 5,508.82-7,602.18-2,990.94

Finding the Fourth Proportional to 5,508.82, 7,602.18 and 2,990.94

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Solution

The fourth proportional to 5,508.82, 7,602.18 and 2,990.94 is: 4,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.82 : 7,602.18 = 2,990.94 : x
  2. Step 2: Convert to fraction form
    5,508.82/7,602.18 = 2,990.94/x
  3. Step 3: Cross multiply
    5,508.82x = 7,602.18 × 2,990.94
  4. Step 4: Simplify right side
    5,508.82x = 22,737,624.53
  5. Step 5: Solve for x
    x = 22,737,624.53/5,508.82
  6. Step 6: Final answer
    x = 4,127.49

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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.