Home / 5,246.57-7,239.44-3,122.18

Finding the Fourth Proportional to 5,246.57, 7,239.44 and 3,122.18

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Solution

The fourth proportional to 5,246.57, 7,239.44 and 3,122.18 is: 4,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.57 : 7,239.44 = 3,122.18 : x
  2. Step 2: Convert to fraction form
    5,246.57/7,239.44 = 3,122.18/x
  3. Step 3: Cross multiply
    5,246.57x = 7,239.44 × 3,122.18
  4. Step 4: Simplify right side
    5,246.57x = 22,602,806.39
  5. Step 5: Solve for x
    x = 22,602,806.39/5,246.57
  6. Step 6: Final answer
    x = 4,308.11

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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.