Home / 7,454.20-11,165.10-4,527.40

Finding the Fourth Proportional to 7,454.20, 11,165.10 and 4,527.40

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Solution

The fourth proportional to 7,454.20, 11,165.10 and 4,527.40 is: 6,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.20 : 11,165.10 = 4,527.40 : x
  2. Step 2: Convert to fraction form
    7,454.20/11,165.10 = 4,527.40/x
  3. Step 3: Cross multiply
    7,454.20x = 11,165.10 × 4,527.40
  4. Step 4: Simplify right side
    7,454.20x = 50,548,873.74
  5. Step 5: Solve for x
    x = 50,548,873.74/7,454.20
  6. Step 6: Final answer
    x = 6,781.26

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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.