Home / 6,987.55-10,481.31-2,057.18

Finding the Fourth Proportional to 6,987.55, 10,481.31 and 2,057.18

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Solution

The fourth proportional to 6,987.55, 10,481.31 and 2,057.18 is: 3,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.55 : 10,481.31 = 2,057.18 : x
  2. Step 2: Convert to fraction form
    6,987.55/10,481.31 = 2,057.18/x
  3. Step 3: Cross multiply
    6,987.55x = 10,481.31 × 2,057.18
  4. Step 4: Simplify right side
    6,987.55x = 21,561,941.31
  5. Step 5: Solve for x
    x = 21,561,941.31/6,987.55
  6. Step 6: Final answer
    x = 3,085.77

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1.5x scale

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.