Home / 4,757.80-7,137.47-1,470.13

Finding the Fourth Proportional to 4,757.80, 7,137.47 and 1,470.13

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Solution

The fourth proportional to 4,757.80, 7,137.47 and 1,470.13 is: 2,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.80 : 7,137.47 = 1,470.13 : x
  2. Step 2: Convert to fraction form
    4,757.80/7,137.47 = 1,470.13/x
  3. Step 3: Cross multiply
    4,757.80x = 7,137.47 × 1,470.13
  4. Step 4: Simplify right side
    4,757.80x = 10,493,008.77
  5. Step 5: Solve for x
    x = 10,493,008.77/4,757.80
  6. Step 6: Final answer
    x = 2,205.43

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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.