Home / 4,081.11-6,121.32-1,307.01

Finding the Fourth Proportional to 4,081.11, 6,121.32 and 1,307.01

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Solution

The fourth proportional to 4,081.11, 6,121.32 and 1,307.01 is: 1,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.11 : 6,121.32 = 1,307.01 : x
  2. Step 2: Convert to fraction form
    4,081.11/6,121.32 = 1,307.01/x
  3. Step 3: Cross multiply
    4,081.11x = 6,121.32 × 1,307.01
  4. Step 4: Simplify right side
    4,081.11x = 8,000,626.45
  5. Step 5: Solve for x
    x = 8,000,626.45/4,081.11
  6. Step 6: Final answer
    x = 1,960.40

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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.