Home / 9,964.79-14,948.80-3,390.29

Finding the Fourth Proportional to 9,964.79, 14,948.80 and 3,390.29

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Solution

The fourth proportional to 9,964.79, 14,948.80 and 3,390.29 is: 5,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.79 : 14,948.80 = 3,390.29 : x
  2. Step 2: Convert to fraction form
    9,964.79/14,948.80 = 3,390.29/x
  3. Step 3: Cross multiply
    9,964.79x = 14,948.80 × 3,390.29
  4. Step 4: Simplify right side
    9,964.79x = 50,680,767.15
  5. Step 5: Solve for x
    x = 50,680,767.15/9,964.79
  6. Step 6: Final answer
    x = 5,085.98

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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.