Home / 6,966.69-9,613.99-3,779.92

Finding the Fourth Proportional to 6,966.69, 9,613.99 and 3,779.92

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Solution

The fourth proportional to 6,966.69, 9,613.99 and 3,779.92 is: 5,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.69 : 9,613.99 = 3,779.92 : x
  2. Step 2: Convert to fraction form
    6,966.69/9,613.99 = 3,779.92/x
  3. Step 3: Cross multiply
    6,966.69x = 9,613.99 × 3,779.92
  4. Step 4: Simplify right side
    6,966.69x = 36,340,080.24
  5. Step 5: Solve for x
    x = 36,340,080.24/6,966.69
  6. Step 6: Final answer
    x = 5,216.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.