Home / 6,199.70-8,556.15-3,405.74

Finding the Fourth Proportional to 6,199.70, 8,556.15 and 3,405.74

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Solution

The fourth proportional to 6,199.70, 8,556.15 and 3,405.74 is: 4,700.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.70 : 8,556.15 = 3,405.74 : x
  2. Step 2: Convert to fraction form
    6,199.70/8,556.15 = 3,405.74/x
  3. Step 3: Cross multiply
    6,199.70x = 8,556.15 × 3,405.74
  4. Step 4: Simplify right side
    6,199.70x = 29,139,979.52
  5. Step 5: Solve for x
    x = 29,139,979.52/6,199.70
  6. Step 6: Final answer
    x = 4,700.23

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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.