Home / 7,523.20-11,295.60-4,242.70

Finding the Fourth Proportional to 7,523.20, 11,295.60 and 4,242.70

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Solution

The fourth proportional to 7,523.20, 11,295.60 and 4,242.70 is: 6,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.20 : 11,295.60 = 4,242.70 : x
  2. Step 2: Convert to fraction form
    7,523.20/11,295.60 = 4,242.70/x
  3. Step 3: Cross multiply
    7,523.20x = 11,295.60 × 4,242.70
  4. Step 4: Simplify right side
    7,523.20x = 47,923,842.12
  5. Step 5: Solve for x
    x = 47,923,842.12/7,523.20
  6. Step 6: Final answer
    x = 6,370.14

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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.