Home / 9,220.30-12,724.77-5,242.66

Finding the Fourth Proportional to 9,220.30, 12,724.77 and 5,242.66

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Solution

The fourth proportional to 9,220.30, 12,724.77 and 5,242.66 is: 7,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.30 : 12,724.77 = 5,242.66 : x
  2. Step 2: Convert to fraction form
    9,220.30/12,724.77 = 5,242.66/x
  3. Step 3: Cross multiply
    9,220.30x = 12,724.77 × 5,242.66
  4. Step 4: Simplify right side
    9,220.30x = 66,711,642.69
  5. Step 5: Solve for x
    x = 66,711,642.69/9,220.30
  6. Step 6: Final answer
    x = 7,235.30

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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.