Home / 8,986.74-12,397.49-5,799.21

Finding the Fourth Proportional to 8,986.74, 12,397.49 and 5,799.21

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Solution

The fourth proportional to 8,986.74, 12,397.49 and 5,799.21 is: 8,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.74 : 12,397.49 = 5,799.21 : x
  2. Step 2: Convert to fraction form
    8,986.74/12,397.49 = 5,799.21/x
  3. Step 3: Cross multiply
    8,986.74x = 12,397.49 × 5,799.21
  4. Step 4: Simplify right side
    8,986.74x = 71,895,647.98
  5. Step 5: Solve for x
    x = 71,895,647.98/8,986.74
  6. Step 6: Final answer
    x = 8,000.19

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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.