Home / 4,378.18-6,042.86-2,784.52

Finding the Fourth Proportional to 4,378.18, 6,042.86 and 2,784.52

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Solution

The fourth proportional to 4,378.18, 6,042.86 and 2,784.52 is: 3,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.18 : 6,042.86 = 2,784.52 : x
  2. Step 2: Convert to fraction form
    4,378.18/6,042.86 = 2,784.52/x
  3. Step 3: Cross multiply
    4,378.18x = 6,042.86 × 2,784.52
  4. Step 4: Simplify right side
    4,378.18x = 16,826,464.53
  5. Step 5: Solve for x
    x = 16,826,464.53/4,378.18
  6. Step 6: Final answer
    x = 3,843.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.