Home / 5,118.06-7,677.90-3,039.60

Finding the Fourth Proportional to 5,118.06, 7,677.90 and 3,039.60

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Solution

The fourth proportional to 5,118.06, 7,677.90 and 3,039.60 is: 4,559.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.06 : 7,677.90 = 3,039.60 : x
  2. Step 2: Convert to fraction form
    5,118.06/7,677.90 = 3,039.60/x
  3. Step 3: Cross multiply
    5,118.06x = 7,677.90 × 3,039.60
  4. Step 4: Simplify right side
    5,118.06x = 23,337,744.84
  5. Step 5: Solve for x
    x = 23,337,744.84/5,118.06
  6. Step 6: Final answer
    x = 4,559.88

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1.5x scale

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.