Home / 10,577.18-15,864.22-2,785.98

Finding the Fourth Proportional to 10,577.18, 15,864.22 and 2,785.98

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Solution

The fourth proportional to 10,577.18, 15,864.22 and 2,785.98 is: 4,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.18 : 15,864.22 = 2,785.98 : x
  2. Step 2: Convert to fraction form
    10,577.18/15,864.22 = 2,785.98/x
  3. Step 3: Cross multiply
    10,577.18x = 15,864.22 × 2,785.98
  4. Step 4: Simplify right side
    10,577.18x = 44,197,399.64
  5. Step 5: Solve for x
    x = 44,197,399.64/10,577.18
  6. Step 6: Final answer
    x = 4,178.56

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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.