Home / 6,779.24-9,358.20-4,127.60

Finding the Fourth Proportional to 6,779.24, 9,358.20 and 4,127.60

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Solution

The fourth proportional to 6,779.24, 9,358.20 and 4,127.60 is: 5,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.24 : 9,358.20 = 4,127.60 : x
  2. Step 2: Convert to fraction form
    6,779.24/9,358.20 = 4,127.60/x
  3. Step 3: Cross multiply
    6,779.24x = 9,358.20 × 4,127.60
  4. Step 4: Simplify right side
    6,779.24x = 38,626,906.32
  5. Step 5: Solve for x
    x = 38,626,906.32/6,779.24
  6. Step 6: Final answer
    x = 5,697.82

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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.