Home / 5,074.50-7,612.14-1,611.78

Finding the Fourth Proportional to 5,074.50, 7,612.14 and 1,611.78

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Solution

The fourth proportional to 5,074.50, 7,612.14 and 1,611.78 is: 2,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.50 : 7,612.14 = 1,611.78 : x
  2. Step 2: Convert to fraction form
    5,074.50/7,612.14 = 1,611.78/x
  3. Step 3: Cross multiply
    5,074.50x = 7,612.14 × 1,611.78
  4. Step 4: Simplify right side
    5,074.50x = 12,269,095.01
  5. Step 5: Solve for x
    x = 12,269,095.01/5,074.50
  6. Step 6: Final answer
    x = 2,417.79

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1.5x scale

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.