Home / 7,465.20-11,197.80-3,085.80

Finding the Fourth Proportional to 7,465.20, 11,197.80 and 3,085.80

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Solution

The fourth proportional to 7,465.20, 11,197.80 and 3,085.80 is: 4,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.20 : 11,197.80 = 3,085.80 : x
  2. Step 2: Convert to fraction form
    7,465.20/11,197.80 = 3,085.80/x
  3. Step 3: Cross multiply
    7,465.20x = 11,197.80 × 3,085.80
  4. Step 4: Simplify right side
    7,465.20x = 34,554,171.24
  5. Step 5: Solve for x
    x = 34,554,171.24/7,465.20
  6. Step 6: Final answer
    x = 4,628.70

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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.