Home / 4,151.94-6,228.08-1,378.86

Finding the Fourth Proportional to 4,151.94, 6,228.08 and 1,378.86

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Solution

The fourth proportional to 4,151.94, 6,228.08 and 1,378.86 is: 2,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.94 : 6,228.08 = 1,378.86 : x
  2. Step 2: Convert to fraction form
    4,151.94/6,228.08 = 1,378.86/x
  3. Step 3: Cross multiply
    4,151.94x = 6,228.08 × 1,378.86
  4. Step 4: Simplify right side
    4,151.94x = 8,587,650.39
  5. Step 5: Solve for x
    x = 8,587,650.39/4,151.94
  6. Step 6: Final answer
    x = 2,068.35

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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.