Home / 7,507.20-11,260.80-4,226.70

Finding the Fourth Proportional to 7,507.20, 11,260.80 and 4,226.70

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Solution

The fourth proportional to 7,507.20, 11,260.80 and 4,226.70 is: 6,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.20 : 11,260.80 = 4,226.70 : x
  2. Step 2: Convert to fraction form
    7,507.20/11,260.80 = 4,226.70/x
  3. Step 3: Cross multiply
    7,507.20x = 11,260.80 × 4,226.70
  4. Step 4: Simplify right side
    7,507.20x = 47,596,023.36
  5. Step 5: Solve for x
    x = 47,596,023.36/7,507.20
  6. Step 6: Final answer
    x = 6,340.05

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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.