Home / 9,050.31-13,575.66-5,146.50

Finding the Fourth Proportional to 9,050.31, 13,575.66 and 5,146.50

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Solution

The fourth proportional to 9,050.31, 13,575.66 and 5,146.50 is: 7,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.31 : 13,575.66 = 5,146.50 : x
  2. Step 2: Convert to fraction form
    9,050.31/13,575.66 = 5,146.50/x
  3. Step 3: Cross multiply
    9,050.31x = 13,575.66 × 5,146.50
  4. Step 4: Simplify right side
    9,050.31x = 69,867,134.19
  5. Step 5: Solve for x
    x = 69,867,134.19/9,050.31
  6. Step 6: Final answer
    x = 7,719.86

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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.