Home / 5,779.95-7,976.33-3,127.36

Finding the Fourth Proportional to 5,779.95, 7,976.33 and 3,127.36

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Solution

The fourth proportional to 5,779.95, 7,976.33 and 3,127.36 is: 4,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.95 : 7,976.33 = 3,127.36 : x
  2. Step 2: Convert to fraction form
    5,779.95/7,976.33 = 3,127.36/x
  3. Step 3: Cross multiply
    5,779.95x = 7,976.33 × 3,127.36
  4. Step 4: Simplify right side
    5,779.95x = 24,944,855.39
  5. Step 5: Solve for x
    x = 24,944,855.39/5,779.95
  6. Step 6: Final answer
    x = 4,315.76

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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.