Home / 4,457.06-6,684.95-1,378.66

Finding the Fourth Proportional to 4,457.06, 6,684.95 and 1,378.66

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Solution

The fourth proportional to 4,457.06, 6,684.95 and 1,378.66 is: 2,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.06 : 6,684.95 = 1,378.66 : x
  2. Step 2: Convert to fraction form
    4,457.06/6,684.95 = 1,378.66/x
  3. Step 3: Cross multiply
    4,457.06x = 6,684.95 × 1,378.66
  4. Step 4: Simplify right side
    4,457.06x = 9,216,273.17
  5. Step 5: Solve for x
    x = 9,216,273.17/4,457.06
  6. Step 6: Final answer
    x = 2,067.79

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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.