Home / 5,990.40-8,264.48-3,631.68

Finding the Fourth Proportional to 5,990.40, 8,264.48 and 3,631.68

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Solution

The fourth proportional to 5,990.40, 8,264.48 and 3,631.68 is: 5,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.40 : 8,264.48 = 3,631.68 : x
  2. Step 2: Convert to fraction form
    5,990.40/8,264.48 = 3,631.68/x
  3. Step 3: Cross multiply
    5,990.40x = 8,264.48 × 3,631.68
  4. Step 4: Simplify right side
    5,990.40x = 30,013,946.73
  5. Step 5: Solve for x
    x = 30,013,946.73/5,990.40
  6. Step 6: Final answer
    x = 5,010.34

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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.