Home / 6,779.40-10,169.16-2,620.76

Finding the Fourth Proportional to 6,779.40, 10,169.16 and 2,620.76

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Solution

The fourth proportional to 6,779.40, 10,169.16 and 2,620.76 is: 3,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.40 : 10,169.16 = 2,620.76 : x
  2. Step 2: Convert to fraction form
    6,779.40/10,169.16 = 2,620.76/x
  3. Step 3: Cross multiply
    6,779.40x = 10,169.16 × 2,620.76
  4. Step 4: Simplify right side
    6,779.40x = 26,650,914.66
  5. Step 5: Solve for x
    x = 26,650,914.66/6,779.40
  6. Step 6: Final answer
    x = 3,931.16

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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.