Home / 9,708.20-14,562.80-2,782.52

Finding the Fourth Proportional to 9,708.20, 14,562.80 and 2,782.52

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Solution

The fourth proportional to 9,708.20, 14,562.80 and 2,782.52 is: 4,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.20 : 14,562.80 = 2,782.52 : x
  2. Step 2: Convert to fraction form
    9,708.20/14,562.80 = 2,782.52/x
  3. Step 3: Cross multiply
    9,708.20x = 14,562.80 × 2,782.52
  4. Step 4: Simplify right side
    9,708.20x = 40,521,282.26
  5. Step 5: Solve for x
    x = 40,521,282.26/9,708.20
  6. Step 6: Final answer
    x = 4,173.92

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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.