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Finding the Fourth Proportional to 5,799.72, 8,695.71 and 2,990.30

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Solution

The fourth proportional to 5,799.72, 8,695.71 and 2,990.30 is: 4,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.72 : 8,695.71 = 2,990.30 : x
  2. Step 2: Convert to fraction form
    5,799.72/8,695.71 = 2,990.30/x
  3. Step 3: Cross multiply
    5,799.72x = 8,695.71 × 2,990.30
  4. Step 4: Simplify right side
    5,799.72x = 26,002,738.13
  5. Step 5: Solve for x
    x = 26,002,738.13/5,799.72
  6. Step 6: Final answer
    x = 4,483.45

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1.5x scale

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.