Home / 9,281.71-13,919.19-3,040.12

Finding the Fourth Proportional to 9,281.71, 13,919.19 and 3,040.12

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Solution

The fourth proportional to 9,281.71, 13,919.19 and 3,040.12 is: 4,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.71 : 13,919.19 = 3,040.12 : x
  2. Step 2: Convert to fraction form
    9,281.71/13,919.19 = 3,040.12/x
  3. Step 3: Cross multiply
    9,281.71x = 13,919.19 × 3,040.12
  4. Step 4: Simplify right side
    9,281.71x = 42,316,007.90
  5. Step 5: Solve for x
    x = 42,316,007.90/9,281.71
  6. Step 6: Final answer
    x = 4,559.07

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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.