Home / 9,220.49-12,724.32-5,242.44

Finding the Fourth Proportional to 9,220.49, 12,724.32 and 5,242.44

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Solution

The fourth proportional to 9,220.49, 12,724.32 and 5,242.44 is: 7,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.49 : 12,724.32 = 5,242.44 : x
  2. Step 2: Convert to fraction form
    9,220.49/12,724.32 = 5,242.44/x
  3. Step 3: Cross multiply
    9,220.49x = 12,724.32 × 5,242.44
  4. Step 4: Simplify right side
    9,220.49x = 66,706,420.52
  5. Step 5: Solve for x
    x = 66,706,420.52/9,220.49
  6. Step 6: Final answer
    x = 7,234.58

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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.