Home / 6,517.60-9,776.40-1,837.60

Finding the Fourth Proportional to 6,517.60, 9,776.40 and 1,837.60

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Solution

The fourth proportional to 6,517.60, 9,776.40 and 1,837.60 is: 2,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.60 : 9,776.40 = 1,837.60 : x
  2. Step 2: Convert to fraction form
    6,517.60/9,776.40 = 1,837.60/x
  3. Step 3: Cross multiply
    6,517.60x = 9,776.40 × 1,837.60
  4. Step 4: Simplify right side
    6,517.60x = 17,965,112.64
  5. Step 5: Solve for x
    x = 17,965,112.64/6,517.60
  6. Step 6: Final answer
    x = 2,756.40

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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.