Home / 7,100.15-10,650.13-2,418.89

Finding the Fourth Proportional to 7,100.15, 10,650.13 and 2,418.89

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Solution

The fourth proportional to 7,100.15, 10,650.13 and 2,418.89 is: 3,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.15 : 10,650.13 = 2,418.89 : x
  2. Step 2: Convert to fraction form
    7,100.15/10,650.13 = 2,418.89/x
  3. Step 3: Cross multiply
    7,100.15x = 10,650.13 × 2,418.89
  4. Step 4: Simplify right side
    7,100.15x = 25,761,433.66
  5. Step 5: Solve for x
    x = 25,761,433.66/7,100.15
  6. Step 6: Final answer
    x = 3,628.30

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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.