Home / 7,938.27-11,849.22-6,905.52

Finding the Fourth Proportional to 7,938.27, 11,849.22 and 6,905.52

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Solution

The fourth proportional to 7,938.27, 11,849.22 and 6,905.52 is: 10,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.27 : 11,849.22 = 6,905.52 : x
  2. Step 2: Convert to fraction form
    7,938.27/11,849.22 = 6,905.52/x
  3. Step 3: Cross multiply
    7,938.27x = 11,849.22 × 6,905.52
  4. Step 4: Simplify right side
    7,938.27x = 81,825,025.69
  5. Step 5: Solve for x
    x = 81,825,025.69/7,938.27
  6. Step 6: Final answer
    x = 10,307.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.