Home / 4,678.38-7,022.62-4,161.68

Finding the Fourth Proportional to 4,678.38, 7,022.62 and 4,161.68

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Solution

The fourth proportional to 4,678.38, 7,022.62 and 4,161.68 is: 6,247.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.38 : 7,022.62 = 4,161.68 : x
  2. Step 2: Convert to fraction form
    4,678.38/7,022.62 = 4,161.68/x
  3. Step 3: Cross multiply
    4,678.38x = 7,022.62 × 4,161.68
  4. Step 4: Simplify right side
    4,678.38x = 29,225,897.20
  5. Step 5: Solve for x
    x = 29,225,897.20/4,678.38
  6. Step 6: Final answer
    x = 6,247.01

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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.