Home / 6,973.20-10,459.92-1,779.12

Finding the Fourth Proportional to 6,973.20, 10,459.92 and 1,779.12

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Solution

The fourth proportional to 6,973.20, 10,459.92 and 1,779.12 is: 2,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.20 : 10,459.92 = 1,779.12 : x
  2. Step 2: Convert to fraction form
    6,973.20/10,459.92 = 1,779.12/x
  3. Step 3: Cross multiply
    6,973.20x = 10,459.92 × 1,779.12
  4. Step 4: Simplify right side
    6,973.20x = 18,609,452.87
  5. Step 5: Solve for x
    x = 18,609,452.87/6,973.20
  6. Step 6: Final answer
    x = 2,668.71

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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.