Home / 4,088.78-6,131.36-1,166.42

Finding the Fourth Proportional to 4,088.78, 6,131.36 and 1,166.42

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Solution

The fourth proportional to 4,088.78, 6,131.36 and 1,166.42 is: 1,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.78 : 6,131.36 = 1,166.42 : x
  2. Step 2: Convert to fraction form
    4,088.78/6,131.36 = 1,166.42/x
  3. Step 3: Cross multiply
    4,088.78x = 6,131.36 × 1,166.42
  4. Step 4: Simplify right side
    4,088.78x = 7,151,740.93
  5. Step 5: Solve for x
    x = 7,151,740.93/4,088.78
  6. Step 6: Final answer
    x = 1,749.11

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Double scale
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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.