Home / 5,045.20-6,961.98-2,806.93

Finding the Fourth Proportional to 5,045.20, 6,961.98 and 2,806.93

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Solution

The fourth proportional to 5,045.20, 6,961.98 and 2,806.93 is: 3,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.20 : 6,961.98 = 2,806.93 : x
  2. Step 2: Convert to fraction form
    5,045.20/6,961.98 = 2,806.93/x
  3. Step 3: Cross multiply
    5,045.20x = 6,961.98 × 2,806.93
  4. Step 4: Simplify right side
    5,045.20x = 19,541,790.52
  5. Step 5: Solve for x
    x = 19,541,790.52/5,045.20
  6. Step 6: Final answer
    x = 3,873.34

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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.