Home / 6,519.31-8,996.60-3,535.15

Finding the Fourth Proportional to 6,519.31, 8,996.60 and 3,535.15

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Solution

The fourth proportional to 6,519.31, 8,996.60 and 3,535.15 is: 4,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.31 : 8,996.60 = 3,535.15 : x
  2. Step 2: Convert to fraction form
    6,519.31/8,996.60 = 3,535.15/x
  3. Step 3: Cross multiply
    6,519.31x = 8,996.60 × 3,535.15
  4. Step 4: Simplify right side
    6,519.31x = 31,804,290.32
  5. Step 5: Solve for x
    x = 31,804,290.32/6,519.31
  6. Step 6: Final answer
    x = 4,878.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.