Home / 7,530.80-11,296.20-6,299.60

Finding the Fourth Proportional to 7,530.80, 11,296.20 and 6,299.60

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Solution

The fourth proportional to 7,530.80, 11,296.20 and 6,299.60 is: 9,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.80 : 11,296.20 = 6,299.60 : x
  2. Step 2: Convert to fraction form
    7,530.80/11,296.20 = 6,299.60/x
  3. Step 3: Cross multiply
    7,530.80x = 11,296.20 × 6,299.60
  4. Step 4: Simplify right side
    7,530.80x = 71,161,541.52
  5. Step 5: Solve for x
    x = 71,161,541.52/7,530.80
  6. Step 6: Final answer
    x = 9,449.40

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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.