Home / 7,359.60-11,039.40-4,079.10

Finding the Fourth Proportional to 7,359.60, 11,039.40 and 4,079.10

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Solution

The fourth proportional to 7,359.60, 11,039.40 and 4,079.10 is: 6,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.60 : 11,039.40 = 4,079.10 : x
  2. Step 2: Convert to fraction form
    7,359.60/11,039.40 = 4,079.10/x
  3. Step 3: Cross multiply
    7,359.60x = 11,039.40 × 4,079.10
  4. Step 4: Simplify right side
    7,359.60x = 45,030,816.54
  5. Step 5: Solve for x
    x = 45,030,816.54/7,359.60
  6. Step 6: Final answer
    x = 6,118.65

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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.