Home / 7,778.50-10,734.33-4,241.74

Finding the Fourth Proportional to 7,778.50, 10,734.33 and 4,241.74

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Solution

The fourth proportional to 7,778.50, 10,734.33 and 4,241.74 is: 5,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.50 : 10,734.33 = 4,241.74 : x
  2. Step 2: Convert to fraction form
    7,778.50/10,734.33 = 4,241.74/x
  3. Step 3: Cross multiply
    7,778.50x = 10,734.33 × 4,241.74
  4. Step 4: Simplify right side
    7,778.50x = 45,532,236.93
  5. Step 5: Solve for x
    x = 45,532,236.93/7,778.50
  6. Step 6: Final answer
    x = 5,853.60

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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.