Home / 7,430.52-11,131.20-6,337.20

Finding the Fourth Proportional to 7,430.52, 11,131.20 and 6,337.20

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Solution

The fourth proportional to 7,430.52, 11,131.20 and 6,337.20 is: 9,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.52 : 11,131.20 = 6,337.20 : x
  2. Step 2: Convert to fraction form
    7,430.52/11,131.20 = 6,337.20/x
  3. Step 3: Cross multiply
    7,430.52x = 11,131.20 × 6,337.20
  4. Step 4: Simplify right side
    7,430.52x = 70,540,640.64
  5. Step 5: Solve for x
    x = 70,540,640.64/7,430.52
  6. Step 6: Final answer
    x = 9,493.37

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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.