Home / 5,626.89-7,764.95-3,108.96

Finding the Fourth Proportional to 5,626.89, 7,764.95 and 3,108.96

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Solution

The fourth proportional to 5,626.89, 7,764.95 and 3,108.96 is: 4,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.89 : 7,764.95 = 3,108.96 : x
  2. Step 2: Convert to fraction form
    5,626.89/7,764.95 = 3,108.96/x
  3. Step 3: Cross multiply
    5,626.89x = 7,764.95 × 3,108.96
  4. Step 4: Simplify right side
    5,626.89x = 24,140,903.41
  5. Step 5: Solve for x
    x = 24,140,903.41/5,626.89
  6. Step 6: Final answer
    x = 4,290.27

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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.