Home / 7,961.26-10,985.76-4,424.20

Finding the Fourth Proportional to 7,961.26, 10,985.76 and 4,424.20

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Solution

The fourth proportional to 7,961.26, 10,985.76 and 4,424.20 is: 6,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.26 : 10,985.76 = 4,424.20 : x
  2. Step 2: Convert to fraction form
    7,961.26/10,985.76 = 4,424.20/x
  3. Step 3: Cross multiply
    7,961.26x = 10,985.76 × 4,424.20
  4. Step 4: Simplify right side
    7,961.26x = 48,603,199.39
  5. Step 5: Solve for x
    x = 48,603,199.39/7,961.26
  6. Step 6: Final answer
    x = 6,104.96

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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.