Home / 7,948.95-10,963.29-5,558.13

Finding the Fourth Proportional to 7,948.95, 10,963.29 and 5,558.13

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Solution

The fourth proportional to 7,948.95, 10,963.29 and 5,558.13 is: 7,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.95 : 10,963.29 = 5,558.13 : x
  2. Step 2: Convert to fraction form
    7,948.95/10,963.29 = 5,558.13/x
  3. Step 3: Cross multiply
    7,948.95x = 10,963.29 × 5,558.13
  4. Step 4: Simplify right side
    7,948.95x = 60,935,391.05
  5. Step 5: Solve for x
    x = 60,935,391.05/7,948.95
  6. Step 6: Final answer
    x = 7,665.84

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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.