Home / 4,077.48-6,115.07-1,578.09

Finding the Fourth Proportional to 4,077.48, 6,115.07 and 1,578.09

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Solution

The fourth proportional to 4,077.48, 6,115.07 and 1,578.09 is: 2,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.48 : 6,115.07 = 1,578.09 : x
  2. Step 2: Convert to fraction form
    4,077.48/6,115.07 = 1,578.09/x
  3. Step 3: Cross multiply
    4,077.48x = 6,115.07 × 1,578.09
  4. Step 4: Simplify right side
    4,077.48x = 9,650,122.93
  5. Step 5: Solve for x
    x = 9,650,122.93/4,077.48
  6. Step 6: Final answer
    x = 2,366.69

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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.