Home / 7,948.94-10,963.31-5,558.13

Finding the Fourth Proportional to 7,948.94, 10,963.31 and 5,558.13

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Solution

The fourth proportional to 7,948.94, 10,963.31 and 5,558.13 is: 7,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.94 : 10,963.31 = 5,558.13 : x
  2. Step 2: Convert to fraction form
    7,948.94/10,963.31 = 5,558.13/x
  3. Step 3: Cross multiply
    7,948.94x = 10,963.31 × 5,558.13
  4. Step 4: Simplify right side
    7,948.94x = 60,935,474.42
  5. Step 5: Solve for x
    x = 60,935,474.42/7,948.94
  6. Step 6: Final answer
    x = 7,665.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.