Home / 3,900.06-5,847.53-1,818.95

Finding the Fourth Proportional to 3,900.06, 5,847.53 and 1,818.95

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Solution

The fourth proportional to 3,900.06, 5,847.53 and 1,818.95 is: 2,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.06 : 5,847.53 = 1,818.95 : x
  2. Step 2: Convert to fraction form
    3,900.06/5,847.53 = 1,818.95/x
  3. Step 3: Cross multiply
    3,900.06x = 5,847.53 × 1,818.95
  4. Step 4: Simplify right side
    3,900.06x = 10,636,326.36
  5. Step 5: Solve for x
    x = 10,636,326.36/3,900.06
  6. Step 6: Final answer
    x = 2,727.22

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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.