Home / 5,403.71-8,106.87-2,770.13

Finding the Fourth Proportional to 5,403.71, 8,106.87 and 2,770.13

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Solution

The fourth proportional to 5,403.71, 8,106.87 and 2,770.13 is: 4,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.71 : 8,106.87 = 2,770.13 : x
  2. Step 2: Convert to fraction form
    5,403.71/8,106.87 = 2,770.13/x
  3. Step 3: Cross multiply
    5,403.71x = 8,106.87 × 2,770.13
  4. Step 4: Simplify right side
    5,403.71x = 22,457,083.79
  5. Step 5: Solve for x
    x = 22,457,083.79/5,403.71
  6. Step 6: Final answer
    x = 4,155.86

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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.