Home / 7,851.06-11,780.63-4,340.42

Finding the Fourth Proportional to 7,851.06, 11,780.63 and 4,340.42

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Solution

The fourth proportional to 7,851.06, 11,780.63 and 4,340.42 is: 6,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.06 : 11,780.63 = 4,340.42 : x
  2. Step 2: Convert to fraction form
    7,851.06/11,780.63 = 4,340.42/x
  3. Step 3: Cross multiply
    7,851.06x = 11,780.63 × 4,340.42
  4. Step 4: Simplify right side
    7,851.06x = 51,132,801.46
  5. Step 5: Solve for x
    x = 51,132,801.46/7,851.06
  6. Step 6: Final answer
    x = 6,512.85

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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.