Home / 5,363.75-7,401.67-3,125.99

Finding the Fourth Proportional to 5,363.75, 7,401.67 and 3,125.99

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Solution

The fourth proportional to 5,363.75, 7,401.67 and 3,125.99 is: 4,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.75 : 7,401.67 = 3,125.99 : x
  2. Step 2: Convert to fraction form
    5,363.75/7,401.67 = 3,125.99/x
  3. Step 3: Cross multiply
    5,363.75x = 7,401.67 × 3,125.99
  4. Step 4: Simplify right side
    5,363.75x = 23,137,546.40
  5. Step 5: Solve for x
    x = 23,137,546.40/5,363.75
  6. Step 6: Final answer
    x = 4,313.69

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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.