Home / 4,356.80-6,538.56-1,761.60

Finding the Fourth Proportional to 4,356.80, 6,538.56 and 1,761.60

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Solution

The fourth proportional to 4,356.80, 6,538.56 and 1,761.60 is: 2,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.80 : 6,538.56 = 1,761.60 : x
  2. Step 2: Convert to fraction form
    4,356.80/6,538.56 = 1,761.60/x
  3. Step 3: Cross multiply
    4,356.80x = 6,538.56 × 1,761.60
  4. Step 4: Simplify right side
    4,356.80x = 11,518,327.30
  5. Step 5: Solve for x
    x = 11,518,327.30/4,356.80
  6. Step 6: Final answer
    x = 2,643.76

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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.