Home / 8,281.11-11,428.44-4,696.22

Finding the Fourth Proportional to 8,281.11, 11,428.44 and 4,696.22

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Solution

The fourth proportional to 8,281.11, 11,428.44 and 4,696.22 is: 6,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.11 : 11,428.44 = 4,696.22 : x
  2. Step 2: Convert to fraction form
    8,281.11/11,428.44 = 4,696.22/x
  3. Step 3: Cross multiply
    8,281.11x = 11,428.44 × 4,696.22
  4. Step 4: Simplify right side
    8,281.11x = 53,670,479.46
  5. Step 5: Solve for x
    x = 53,670,479.46/8,281.11
  6. Step 6: Final answer
    x = 6,481.07

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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.