Home / 9,016.78-13,527.30-2,860.78

Finding the Fourth Proportional to 9,016.78, 13,527.30 and 2,860.78

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Solution

The fourth proportional to 9,016.78, 13,527.30 and 2,860.78 is: 4,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,016.78 : 13,527.30 = 2,860.78 : x
  2. Step 2: Convert to fraction form
    9,016.78/13,527.30 = 2,860.78/x
  3. Step 3: Cross multiply
    9,016.78x = 13,527.30 × 2,860.78
  4. Step 4: Simplify right side
    9,016.78x = 38,698,629.29
  5. Step 5: Solve for x
    x = 38,698,629.29/9,016.78
  6. Step 6: Final answer
    x = 4,291.85

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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.