Home / 7,938.20-11,885.42-4,023.48

Finding the Fourth Proportional to 7,938.20, 11,885.42 and 4,023.48

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Solution

The fourth proportional to 7,938.20, 11,885.42 and 4,023.48 is: 6,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.20 : 11,885.42 = 4,023.48 : x
  2. Step 2: Convert to fraction form
    7,938.20/11,885.42 = 4,023.48/x
  3. Step 3: Cross multiply
    7,938.20x = 11,885.42 × 4,023.48
  4. Step 4: Simplify right side
    7,938.20x = 47,820,749.66
  5. Step 5: Solve for x
    x = 47,820,749.66/7,938.20
  6. Step 6: Final answer
    x = 6,024.13

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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.