Home / 4,194.10-6,291.15-2,811.70

Finding the Fourth Proportional to 4,194.10, 6,291.15 and 2,811.70

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Solution

The fourth proportional to 4,194.10, 6,291.15 and 2,811.70 is: 4,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.10 : 6,291.15 = 2,811.70 : x
  2. Step 2: Convert to fraction form
    4,194.10/6,291.15 = 2,811.70/x
  3. Step 3: Cross multiply
    4,194.10x = 6,291.15 × 2,811.70
  4. Step 4: Simplify right side
    4,194.10x = 17,688,826.46
  5. Step 5: Solve for x
    x = 17,688,826.46/4,194.10
  6. Step 6: Final answer
    x = 4,217.55

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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.