Home / 7,401.35-10,213.85-4,257.54

Finding the Fourth Proportional to 7,401.35, 10,213.85 and 4,257.54

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Solution

The fourth proportional to 7,401.35, 10,213.85 and 4,257.54 is: 5,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.35 : 10,213.85 = 4,257.54 : x
  2. Step 2: Convert to fraction form
    7,401.35/10,213.85 = 4,257.54/x
  3. Step 3: Cross multiply
    7,401.35x = 10,213.85 × 4,257.54
  4. Step 4: Simplify right side
    7,401.35x = 43,485,874.93
  5. Step 5: Solve for x
    x = 43,485,874.93/7,401.35
  6. Step 6: Final answer
    x = 5,875.40

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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.