Home / 6,239.87-8,610.95-3,407.23

Finding the Fourth Proportional to 6,239.87, 8,610.95 and 3,407.23

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Solution

The fourth proportional to 6,239.87, 8,610.95 and 3,407.23 is: 4,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.87 : 8,610.95 = 3,407.23 : x
  2. Step 2: Convert to fraction form
    6,239.87/8,610.95 = 3,407.23/x
  3. Step 3: Cross multiply
    6,239.87x = 8,610.95 × 3,407.23
  4. Step 4: Simplify right side
    6,239.87x = 29,339,478.65
  5. Step 5: Solve for x
    x = 29,339,478.65/6,239.87
  6. Step 6: Final answer
    x = 4,701.94

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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.