Home / 7,615.22-11,418.65-2,348.78

Finding the Fourth Proportional to 7,615.22, 11,418.65 and 2,348.78

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Solution

The fourth proportional to 7,615.22, 11,418.65 and 2,348.78 is: 3,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.22 : 11,418.65 = 2,348.78 : x
  2. Step 2: Convert to fraction form
    7,615.22/11,418.65 = 2,348.78/x
  3. Step 3: Cross multiply
    7,615.22x = 11,418.65 × 2,348.78
  4. Step 4: Simplify right side
    7,615.22x = 26,819,942.51
  5. Step 5: Solve for x
    x = 26,819,942.51/7,615.22
  6. Step 6: Final answer
    x = 3,521.89

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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.