Home / 4,805.61-6,629.90-2,815.44

Finding the Fourth Proportional to 4,805.61, 6,629.90 and 2,815.44

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Solution

The fourth proportional to 4,805.61, 6,629.90 and 2,815.44 is: 3,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.61 : 6,629.90 = 2,815.44 : x
  2. Step 2: Convert to fraction form
    4,805.61/6,629.90 = 2,815.44/x
  3. Step 3: Cross multiply
    4,805.61x = 6,629.90 × 2,815.44
  4. Step 4: Simplify right side
    4,805.61x = 18,666,071.58
  5. Step 5: Solve for x
    x = 18,666,071.58/4,805.61
  6. Step 6: Final answer
    x = 3,884.23

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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.