Home / 5,377.84-8,062.68-2,779.12

Finding the Fourth Proportional to 5,377.84, 8,062.68 and 2,779.12

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Solution

The fourth proportional to 5,377.84, 8,062.68 and 2,779.12 is: 4,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.84 : 8,062.68 = 2,779.12 : x
  2. Step 2: Convert to fraction form
    5,377.84/8,062.68 = 2,779.12/x
  3. Step 3: Cross multiply
    5,377.84x = 8,062.68 × 2,779.12
  4. Step 4: Simplify right side
    5,377.84x = 22,407,155.24
  5. Step 5: Solve for x
    x = 22,407,155.24/5,377.84
  6. Step 6: Final answer
    x = 4,166.57

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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.