Home / 6,969.24-9,613.35-4,135.59

Finding the Fourth Proportional to 6,969.24, 9,613.35 and 4,135.59

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Solution

The fourth proportional to 6,969.24, 9,613.35 and 4,135.59 is: 5,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.24 : 9,613.35 = 4,135.59 : x
  2. Step 2: Convert to fraction form
    6,969.24/9,613.35 = 4,135.59/x
  3. Step 3: Cross multiply
    6,969.24x = 9,613.35 × 4,135.59
  4. Step 4: Simplify right side
    6,969.24x = 39,756,874.13
  5. Step 5: Solve for x
    x = 39,756,874.13/6,969.24
  6. Step 6: Final answer
    x = 5,704.62

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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.