Home / 4,578.32-6,317.04-2,984.78

Finding the Fourth Proportional to 4,578.32, 6,317.04 and 2,984.78

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Solution

The fourth proportional to 4,578.32, 6,317.04 and 2,984.78 is: 4,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.32 : 6,317.04 = 2,984.78 : x
  2. Step 2: Convert to fraction form
    4,578.32/6,317.04 = 2,984.78/x
  3. Step 3: Cross multiply
    4,578.32x = 6,317.04 × 2,984.78
  4. Step 4: Simplify right side
    4,578.32x = 18,854,974.65
  5. Step 5: Solve for x
    x = 18,854,974.65/4,578.32
  6. Step 6: Final answer
    x = 4,118.32

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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.