Home / 7,527.20-11,292.60-3,142.22

Finding the Fourth Proportional to 7,527.20, 11,292.60 and 3,142.22

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Solution

The fourth proportional to 7,527.20, 11,292.60 and 3,142.22 is: 4,714.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.20 : 11,292.60 = 3,142.22 : x
  2. Step 2: Convert to fraction form
    7,527.20/11,292.60 = 3,142.22/x
  3. Step 3: Cross multiply
    7,527.20x = 11,292.60 × 3,142.22
  4. Step 4: Simplify right side
    7,527.20x = 35,483,833.57
  5. Step 5: Solve for x
    x = 35,483,833.57/7,527.20
  6. Step 6: Final answer
    x = 4,714.08

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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.