Home / 6,199.76-8,555.80-3,405.24

Finding the Fourth Proportional to 6,199.76, 8,555.80 and 3,405.24

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Solution

The fourth proportional to 6,199.76, 8,555.80 and 3,405.24 is: 4,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.76 : 8,555.80 = 3,405.24 : x
  2. Step 2: Convert to fraction form
    6,199.76/8,555.80 = 3,405.24/x
  3. Step 3: Cross multiply
    6,199.76x = 8,555.80 × 3,405.24
  4. Step 4: Simplify right side
    6,199.76x = 29,134,552.39
  5. Step 5: Solve for x
    x = 29,134,552.39/6,199.76
  6. Step 6: Final answer
    x = 4,699.30

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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.