Home / 10,577.26-15,865.93-2,679.77

Finding the Fourth Proportional to 10,577.26, 15,865.93 and 2,679.77

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Solution

The fourth proportional to 10,577.26, 15,865.93 and 2,679.77 is: 4,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.26 : 15,865.93 = 2,679.77 : x
  2. Step 2: Convert to fraction form
    10,577.26/15,865.93 = 2,679.77/x
  3. Step 3: Cross multiply
    10,577.26x = 15,865.93 × 2,679.77
  4. Step 4: Simplify right side
    10,577.26x = 42,517,029.84
  5. Step 5: Solve for x
    x = 42,517,029.84/10,577.26
  6. Step 6: Final answer
    x = 4,019.66

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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.