Home / 6,687.75-10,031.63-2,739.08

Finding the Fourth Proportional to 6,687.75, 10,031.63 and 2,739.08

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Solution

The fourth proportional to 6,687.75, 10,031.63 and 2,739.08 is: 4,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.75 : 10,031.63 = 2,739.08 : x
  2. Step 2: Convert to fraction form
    6,687.75/10,031.63 = 2,739.08/x
  3. Step 3: Cross multiply
    6,687.75x = 10,031.63 × 2,739.08
  4. Step 4: Simplify right side
    6,687.75x = 27,477,437.10
  5. Step 5: Solve for x
    x = 27,477,437.10/6,687.75
  6. Step 6: Final answer
    x = 4,108.62

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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.