Home / 7,530.30-11,295.45-6,145.20

Finding the Fourth Proportional to 7,530.30, 11,295.45 and 6,145.20

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Solution

The fourth proportional to 7,530.30, 11,295.45 and 6,145.20 is: 9,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.30 : 11,295.45 = 6,145.20 : x
  2. Step 2: Convert to fraction form
    7,530.30/11,295.45 = 6,145.20/x
  3. Step 3: Cross multiply
    7,530.30x = 11,295.45 × 6,145.20
  4. Step 4: Simplify right side
    7,530.30x = 69,412,799.34
  5. Step 5: Solve for x
    x = 69,412,799.34/7,530.30
  6. Step 6: Final answer
    x = 9,217.80

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Similar ratio
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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.