Home / 8,211.71-11,328.56-5,025.16

Finding the Fourth Proportional to 8,211.71, 11,328.56 and 5,025.16

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Solution

The fourth proportional to 8,211.71, 11,328.56 and 5,025.16 is: 6,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.71 : 11,328.56 = 5,025.16 : x
  2. Step 2: Convert to fraction form
    8,211.71/11,328.56 = 5,025.16/x
  3. Step 3: Cross multiply
    8,211.71x = 11,328.56 × 5,025.16
  4. Step 4: Simplify right side
    8,211.71x = 56,927,791.97
  5. Step 5: Solve for x
    x = 56,927,791.97/8,211.71
  6. Step 6: Final answer
    x = 6,932.51

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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.