Home / 5,277.84-7,281.14-3,180.75

Finding the Fourth Proportional to 5,277.84, 7,281.14 and 3,180.75

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Solution

The fourth proportional to 5,277.84, 7,281.14 and 3,180.75 is: 4,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.84 : 7,281.14 = 3,180.75 : x
  2. Step 2: Convert to fraction form
    5,277.84/7,281.14 = 3,180.75/x
  3. Step 3: Cross multiply
    5,277.84x = 7,281.14 × 3,180.75
  4. Step 4: Simplify right side
    5,277.84x = 23,159,470.15
  5. Step 5: Solve for x
    x = 23,159,470.15/5,277.84
  6. Step 6: Final answer
    x = 4,388.06

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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.