Home / 5,017.88-6,923.82-2,779.76

Finding the Fourth Proportional to 5,017.88, 6,923.82 and 2,779.76

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Solution

The fourth proportional to 5,017.88, 6,923.82 and 2,779.76 is: 3,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.88 : 6,923.82 = 2,779.76 : x
  2. Step 2: Convert to fraction form
    5,017.88/6,923.82 = 2,779.76/x
  3. Step 3: Cross multiply
    5,017.88x = 6,923.82 × 2,779.76
  4. Step 4: Simplify right side
    5,017.88x = 19,246,523.26
  5. Step 5: Solve for x
    x = 19,246,523.26/5,017.88
  6. Step 6: Final answer
    x = 3,835.59

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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.