Home / 7,916.24-11,849.52-5,278.56

Finding the Fourth Proportional to 7,916.24, 11,849.52 and 5,278.56

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Solution

The fourth proportional to 7,916.24, 11,849.52 and 5,278.56 is: 7,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.24 : 11,849.52 = 5,278.56 : x
  2. Step 2: Convert to fraction form
    7,916.24/11,849.52 = 5,278.56/x
  3. Step 3: Cross multiply
    7,916.24x = 11,849.52 × 5,278.56
  4. Step 4: Simplify right side
    7,916.24x = 62,548,402.29
  5. Step 5: Solve for x
    x = 62,548,402.29/7,916.24
  6. Step 6: Final answer
    x = 7,901.28

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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.