Home / 4,767.86-6,578.06-2,878.72

Finding the Fourth Proportional to 4,767.86, 6,578.06 and 2,878.72

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Solution

The fourth proportional to 4,767.86, 6,578.06 and 2,878.72 is: 3,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.86 : 6,578.06 = 2,878.72 : x
  2. Step 2: Convert to fraction form
    4,767.86/6,578.06 = 2,878.72/x
  3. Step 3: Cross multiply
    4,767.86x = 6,578.06 × 2,878.72
  4. Step 4: Simplify right side
    4,767.86x = 18,936,392.88
  5. Step 5: Solve for x
    x = 18,936,392.88/4,767.86
  6. Step 6: Final answer
    x = 3,971.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.