Home / 6,779.27-9,356.84-4,127.52

Finding the Fourth Proportional to 6,779.27, 9,356.84 and 4,127.52

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Solution

The fourth proportional to 6,779.27, 9,356.84 and 4,127.52 is: 5,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.27 : 9,356.84 = 4,127.52 : x
  2. Step 2: Convert to fraction form
    6,779.27/9,356.84 = 4,127.52/x
  3. Step 3: Cross multiply
    6,779.27x = 9,356.84 × 4,127.52
  4. Step 4: Simplify right side
    6,779.27x = 38,620,523.60
  5. Step 5: Solve for x
    x = 38,620,523.60/6,779.27
  6. Step 6: Final answer
    x = 5,696.86

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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.