Home / 4,547.44-6,815.64-2,078.80

Finding the Fourth Proportional to 4,547.44, 6,815.64 and 2,078.80

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Solution

The fourth proportional to 4,547.44, 6,815.64 and 2,078.80 is: 3,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.44 : 6,815.64 = 2,078.80 : x
  2. Step 2: Convert to fraction form
    4,547.44/6,815.64 = 2,078.80/x
  3. Step 3: Cross multiply
    4,547.44x = 6,815.64 × 2,078.80
  4. Step 4: Simplify right side
    4,547.44x = 14,168,352.43
  5. Step 5: Solve for x
    x = 14,168,352.43/4,547.44
  6. Step 6: Final answer
    x = 3,115.68

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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.