Home / 7,778.55-10,734.44-4,241.76

Finding the Fourth Proportional to 7,778.55, 10,734.44 and 4,241.76

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Solution

The fourth proportional to 7,778.55, 10,734.44 and 4,241.76 is: 5,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.55 : 10,734.44 = 4,241.76 : x
  2. Step 2: Convert to fraction form
    7,778.55/10,734.44 = 4,241.76/x
  3. Step 3: Cross multiply
    7,778.55x = 10,734.44 × 4,241.76
  4. Step 4: Simplify right side
    7,778.55x = 45,532,897.01
  5. Step 5: Solve for x
    x = 45,532,897.01/7,778.55
  6. Step 6: Final answer
    x = 5,853.65

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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.