Home / 7,229.18-9,984.48-4,867.22

Finding the Fourth Proportional to 7,229.18, 9,984.48 and 4,867.22

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Solution

The fourth proportional to 7,229.18, 9,984.48 and 4,867.22 is: 6,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.18 : 9,984.48 = 4,867.22 : x
  2. Step 2: Convert to fraction form
    7,229.18/9,984.48 = 4,867.22/x
  3. Step 3: Cross multiply
    7,229.18x = 9,984.48 × 4,867.22
  4. Step 4: Simplify right side
    7,229.18x = 48,596,660.75
  5. Step 5: Solve for x
    x = 48,596,660.75/7,229.18
  6. Step 6: Final answer
    x = 6,722.29

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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.