Home / 5,363.50-7,401.32-3,125.74

Finding the Fourth Proportional to 5,363.50, 7,401.32 and 3,125.74

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Solution

The fourth proportional to 5,363.50, 7,401.32 and 3,125.74 is: 4,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.50 : 7,401.32 = 3,125.74 : x
  2. Step 2: Convert to fraction form
    5,363.50/7,401.32 = 3,125.74/x
  3. Step 3: Cross multiply
    5,363.50x = 7,401.32 × 3,125.74
  4. Step 4: Simplify right side
    5,363.50x = 23,134,591.29
  5. Step 5: Solve for x
    x = 23,134,591.29/5,363.50
  6. Step 6: Final answer
    x = 4,313.34

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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.