Home / 5,351.30-8,019.65-2,577.77

Finding the Fourth Proportional to 5,351.30, 8,019.65 and 2,577.77

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Solution

The fourth proportional to 5,351.30, 8,019.65 and 2,577.77 is: 3,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.30 : 8,019.65 = 2,577.77 : x
  2. Step 2: Convert to fraction form
    5,351.30/8,019.65 = 2,577.77/x
  3. Step 3: Cross multiply
    5,351.30x = 8,019.65 × 2,577.77
  4. Step 4: Simplify right side
    5,351.30x = 20,672,760.19
  5. Step 5: Solve for x
    x = 20,672,760.19/5,351.30
  6. Step 6: Final answer
    x = 3,863.13

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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.