Home / 7,229.12-10,852.30-4,308.80

Finding the Fourth Proportional to 7,229.12, 10,852.30 and 4,308.80

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Solution

The fourth proportional to 7,229.12, 10,852.30 and 4,308.80 is: 6,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.12 : 10,852.30 = 4,308.80 : x
  2. Step 2: Convert to fraction form
    7,229.12/10,852.30 = 4,308.80/x
  3. Step 3: Cross multiply
    7,229.12x = 10,852.30 × 4,308.80
  4. Step 4: Simplify right side
    7,229.12x = 46,760,390.24
  5. Step 5: Solve for x
    x = 46,760,390.24/7,229.12
  6. Step 6: Final answer
    x = 6,468.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.