Home / 8,964.30-13,442.31-4,959

Finding the Fourth Proportional to 8,964.30, 13,442.31 and 4,959

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Solution

The fourth proportional to 8,964.30, 13,442.31 and 4,959 is: 7,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.30 : 13,442.31 = 4,959 : x
  2. Step 2: Convert to fraction form
    8,964.30/13,442.31 = 4,959/x
  3. Step 3: Cross multiply
    8,964.30x = 13,442.31 × 4,959
  4. Step 4: Simplify right side
    8,964.30x = 66,660,415.29
  5. Step 5: Solve for x
    x = 66,660,415.29/8,964.30
  6. Step 6: Final answer
    x = 7,436.21

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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.