Home / 5,577.09-7,697.25-3,187.05

Finding the Fourth Proportional to 5,577.09, 7,697.25 and 3,187.05

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Solution

The fourth proportional to 5,577.09, 7,697.25 and 3,187.05 is: 4,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.09 : 7,697.25 = 3,187.05 : x
  2. Step 2: Convert to fraction form
    5,577.09/7,697.25 = 3,187.05/x
  3. Step 3: Cross multiply
    5,577.09x = 7,697.25 × 3,187.05
  4. Step 4: Simplify right side
    5,577.09x = 24,531,520.61
  5. Step 5: Solve for x
    x = 24,531,520.61/5,577.09
  6. Step 6: Final answer
    x = 4,398.62

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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.