Home / 7,948.71-11,910.11-4,047.75

Finding the Fourth Proportional to 7,948.71, 11,910.11 and 4,047.75

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Solution

The fourth proportional to 7,948.71, 11,910.11 and 4,047.75 is: 6,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.71 : 11,910.11 = 4,047.75 : x
  2. Step 2: Convert to fraction form
    7,948.71/11,910.11 = 4,047.75/x
  3. Step 3: Cross multiply
    7,948.71x = 11,910.11 × 4,047.75
  4. Step 4: Simplify right side
    7,948.71x = 48,209,127.51
  5. Step 5: Solve for x
    x = 48,209,127.51/7,948.71
  6. Step 6: Final answer
    x = 6,065.03

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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.