Home / 4,122.09-6,174.89-2,477.74

Finding the Fourth Proportional to 4,122.09, 6,174.89 and 2,477.74

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Solution

The fourth proportional to 4,122.09, 6,174.89 and 2,477.74 is: 3,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.09 : 6,174.89 = 2,477.74 : x
  2. Step 2: Convert to fraction form
    4,122.09/6,174.89 = 2,477.74/x
  3. Step 3: Cross multiply
    4,122.09x = 6,174.89 × 2,477.74
  4. Step 4: Simplify right side
    4,122.09x = 15,299,728.69
  5. Step 5: Solve for x
    x = 15,299,728.69/4,122.09
  6. Step 6: Final answer
    x = 3,711.65

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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.