Home / 8,557.12-11,806.32-5,020.48

Finding the Fourth Proportional to 8,557.12, 11,806.32 and 5,020.48

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Solution

The fourth proportional to 8,557.12, 11,806.32 and 5,020.48 is: 6,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.12 : 11,806.32 = 5,020.48 : x
  2. Step 2: Convert to fraction form
    8,557.12/11,806.32 = 5,020.48/x
  3. Step 3: Cross multiply
    8,557.12x = 11,806.32 × 5,020.48
  4. Step 4: Simplify right side
    8,557.12x = 59,273,393.43
  5. Step 5: Solve for x
    x = 59,273,393.43/8,557.12
  6. Step 6: Final answer
    x = 6,926.79

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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.