Home / 5,278.82-7,282.54-3,040.16

Finding the Fourth Proportional to 5,278.82, 7,282.54 and 3,040.16

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Solution

The fourth proportional to 5,278.82, 7,282.54 and 3,040.16 is: 4,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.82 : 7,282.54 = 3,040.16 : x
  2. Step 2: Convert to fraction form
    5,278.82/7,282.54 = 3,040.16/x
  3. Step 3: Cross multiply
    5,278.82x = 7,282.54 × 3,040.16
  4. Step 4: Simplify right side
    5,278.82x = 22,140,086.81
  5. Step 5: Solve for x
    x = 22,140,086.81/5,278.82
  6. Step 6: Final answer
    x = 4,194.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.