Home / 6,779.76-10,167.72-2,160.24

Finding the Fourth Proportional to 6,779.76, 10,167.72 and 2,160.24

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Solution

The fourth proportional to 6,779.76, 10,167.72 and 2,160.24 is: 3,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.76 : 10,167.72 = 2,160.24 : x
  2. Step 2: Convert to fraction form
    6,779.76/10,167.72 = 2,160.24/x
  3. Step 3: Cross multiply
    6,779.76x = 10,167.72 × 2,160.24
  4. Step 4: Simplify right side
    6,779.76x = 21,964,715.45
  5. Step 5: Solve for x
    x = 21,964,715.45/6,779.76
  6. Step 6: Final answer
    x = 3,239.75

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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.