Home / 4,521.15-6,779.30-1,399.82

Finding the Fourth Proportional to 4,521.15, 6,779.30 and 1,399.82

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Solution

The fourth proportional to 4,521.15, 6,779.30 and 1,399.82 is: 2,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.15 : 6,779.30 = 1,399.82 : x
  2. Step 2: Convert to fraction form
    4,521.15/6,779.30 = 1,399.82/x
  3. Step 3: Cross multiply
    4,521.15x = 6,779.30 × 1,399.82
  4. Step 4: Simplify right side
    4,521.15x = 9,489,758.83
  5. Step 5: Solve for x
    x = 9,489,758.83/4,521.15
  6. Step 6: Final answer
    x = 2,098.97

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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.