Home / 5,577.20-8,352.30-2,974.40

Finding the Fourth Proportional to 5,577.20, 8,352.30 and 2,974.40

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Solution

The fourth proportional to 5,577.20, 8,352.30 and 2,974.40 is: 4,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.20 : 8,352.30 = 2,974.40 : x
  2. Step 2: Convert to fraction form
    5,577.20/8,352.30 = 2,974.40/x
  3. Step 3: Cross multiply
    5,577.20x = 8,352.30 × 2,974.40
  4. Step 4: Simplify right side
    5,577.20x = 24,843,081.12
  5. Step 5: Solve for x
    x = 24,843,081.12/5,577.20
  6. Step 6: Final answer
    x = 4,454.40

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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.