Home / 7,778.28-10,733.95-4,241.42

Finding the Fourth Proportional to 7,778.28, 10,733.95 and 4,241.42

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Solution

The fourth proportional to 7,778.28, 10,733.95 and 4,241.42 is: 5,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.28 : 10,733.95 = 4,241.42 : x
  2. Step 2: Convert to fraction form
    7,778.28/10,733.95 = 4,241.42/x
  3. Step 3: Cross multiply
    7,778.28x = 10,733.95 × 4,241.42
  4. Step 4: Simplify right side
    7,778.28x = 45,527,190.21
  5. Step 5: Solve for x
    x = 45,527,190.21/7,778.28
  6. Step 6: Final answer
    x = 5,853.12

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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.