Home / 5,401.80-8,106.30-3,061.80

Finding the Fourth Proportional to 5,401.80, 8,106.30 and 3,061.80

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Solution

The fourth proportional to 5,401.80, 8,106.30 and 3,061.80 is: 4,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.80 : 8,106.30 = 3,061.80 : x
  2. Step 2: Convert to fraction form
    5,401.80/8,106.30 = 3,061.80/x
  3. Step 3: Cross multiply
    5,401.80x = 8,106.30 × 3,061.80
  4. Step 4: Simplify right side
    5,401.80x = 24,819,869.34
  5. Step 5: Solve for x
    x = 24,819,869.34/5,401.80
  6. Step 6: Final answer
    x = 4,594.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.