Home / 6,155.10-9,233.55-1,994.40

Finding the Fourth Proportional to 6,155.10, 9,233.55 and 1,994.40

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Solution

The fourth proportional to 6,155.10, 9,233.55 and 1,994.40 is: 2,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.10 : 9,233.55 = 1,994.40 : x
  2. Step 2: Convert to fraction form
    6,155.10/9,233.55 = 1,994.40/x
  3. Step 3: Cross multiply
    6,155.10x = 9,233.55 × 1,994.40
  4. Step 4: Simplify right side
    6,155.10x = 18,415,392.12
  5. Step 5: Solve for x
    x = 18,415,392.12/6,155.10
  6. Step 6: Final answer
    x = 2,991.89

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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.