Home / 5,401.20-7,451.61-3,411

Finding the Fourth Proportional to 5,401.20, 7,451.61 and 3,411

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Solution

The fourth proportional to 5,401.20, 7,451.61 and 3,411 is: 4,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.20 : 7,451.61 = 3,411 : x
  2. Step 2: Convert to fraction form
    5,401.20/7,451.61 = 3,411/x
  3. Step 3: Cross multiply
    5,401.20x = 7,451.61 × 3,411
  4. Step 4: Simplify right side
    5,401.20x = 25,417,441.71
  5. Step 5: Solve for x
    x = 25,417,441.71/5,401.20
  6. Step 6: Final answer
    x = 4,705.89

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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.