Home / 7,011.63-10,517.31-2,851.47

Finding the Fourth Proportional to 7,011.63, 10,517.31 and 2,851.47

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Solution

The fourth proportional to 7,011.63, 10,517.31 and 2,851.47 is: 4,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.63 : 10,517.31 = 2,851.47 : x
  2. Step 2: Convert to fraction form
    7,011.63/10,517.31 = 2,851.47/x
  3. Step 3: Cross multiply
    7,011.63x = 10,517.31 × 2,851.47
  4. Step 4: Simplify right side
    7,011.63x = 29,989,793.95
  5. Step 5: Solve for x
    x = 29,989,793.95/7,011.63
  6. Step 6: Final answer
    x = 4,277.15

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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.