Home / 4,102.83-6,155.15-1,329.78

Finding the Fourth Proportional to 4,102.83, 6,155.15 and 1,329.78

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Solution

The fourth proportional to 4,102.83, 6,155.15 and 1,329.78 is: 1,994.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.83 : 6,155.15 = 1,329.78 : x
  2. Step 2: Convert to fraction form
    4,102.83/6,155.15 = 1,329.78/x
  3. Step 3: Cross multiply
    4,102.83x = 6,155.15 × 1,329.78
  4. Step 4: Simplify right side
    4,102.83x = 8,184,988.72
  5. Step 5: Solve for x
    x = 8,184,988.72/4,102.83
  6. Step 6: Final answer
    x = 1,994.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.