Home / 4,074.61-6,114.99-2,981.80

Finding the Fourth Proportional to 4,074.61, 6,114.99 and 2,981.80

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Solution

The fourth proportional to 4,074.61, 6,114.99 and 2,981.80 is: 4,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.61 : 6,114.99 = 2,981.80 : x
  2. Step 2: Convert to fraction form
    4,074.61/6,114.99 = 2,981.80/x
  3. Step 3: Cross multiply
    4,074.61x = 6,114.99 × 2,981.80
  4. Step 4: Simplify right side
    4,074.61x = 18,233,677.18
  5. Step 5: Solve for x
    x = 18,233,677.18/4,074.61
  6. Step 6: Final answer
    x = 4,474.95

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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.