Home / 6,779.77-10,168.61-2,621.70

Finding the Fourth Proportional to 6,779.77, 10,168.61 and 2,621.70

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Solution

The fourth proportional to 6,779.77, 10,168.61 and 2,621.70 is: 3,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.77 : 10,168.61 = 2,621.70 : x
  2. Step 2: Convert to fraction form
    6,779.77/10,168.61 = 2,621.70/x
  3. Step 3: Cross multiply
    6,779.77x = 10,168.61 × 2,621.70
  4. Step 4: Simplify right side
    6,779.77x = 26,659,031.73
  5. Step 5: Solve for x
    x = 26,659,031.73/6,779.77
  6. Step 6: Final answer
    x = 3,932.15

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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.