Home / 7,742.30-11,613.54-3,060.29

Finding the Fourth Proportional to 7,742.30, 11,613.54 and 3,060.29

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Solution

The fourth proportional to 7,742.30, 11,613.54 and 3,060.29 is: 4,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.30 : 11,613.54 = 3,060.29 : x
  2. Step 2: Convert to fraction form
    7,742.30/11,613.54 = 3,060.29/x
  3. Step 3: Cross multiply
    7,742.30x = 11,613.54 × 3,060.29
  4. Step 4: Simplify right side
    7,742.30x = 35,540,742.26
  5. Step 5: Solve for x
    x = 35,540,742.26/7,742.30
  6. Step 6: Final answer
    x = 4,590.47

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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.