Home / 5,267.30-7,886.55-4,115.30

Finding the Fourth Proportional to 5,267.30, 7,886.55 and 4,115.30

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Solution

The fourth proportional to 5,267.30, 7,886.55 and 4,115.30 is: 6,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.30 : 7,886.55 = 4,115.30 : x
  2. Step 2: Convert to fraction form
    5,267.30/7,886.55 = 4,115.30/x
  3. Step 3: Cross multiply
    5,267.30x = 7,886.55 × 4,115.30
  4. Step 4: Simplify right side
    5,267.30x = 32,455,519.22
  5. Step 5: Solve for x
    x = 32,455,519.22/5,267.30
  6. Step 6: Final answer
    x = 6,161.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.