Home / 5,226.48-7,842.24-3,278.16

Finding the Fourth Proportional to 5,226.48, 7,842.24 and 3,278.16

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Solution

The fourth proportional to 5,226.48, 7,842.24 and 3,278.16 is: 4,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.48 : 7,842.24 = 3,278.16 : x
  2. Step 2: Convert to fraction form
    5,226.48/7,842.24 = 3,278.16/x
  3. Step 3: Cross multiply
    5,226.48x = 7,842.24 × 3,278.16
  4. Step 4: Simplify right side
    5,226.48x = 25,708,117.48
  5. Step 5: Solve for x
    x = 25,708,117.48/5,226.48
  6. Step 6: Final answer
    x = 4,918.82

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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.