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Finding the Fourth Proportional to 5,977.80, 8,250.12 and 3,326.40

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Solution

The fourth proportional to 5,977.80, 8,250.12 and 3,326.40 is: 4,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.80 : 8,250.12 = 3,326.40 : x
  2. Step 2: Convert to fraction form
    5,977.80/8,250.12 = 3,326.40/x
  3. Step 3: Cross multiply
    5,977.80x = 8,250.12 × 3,326.40
  4. Step 4: Simplify right side
    5,977.80x = 27,443,199.17
  5. Step 5: Solve for x
    x = 27,443,199.17/5,977.80
  6. Step 6: Final answer
    x = 4,590.85

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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.