Home / 4,815.91-6,641.51-3,696.90

Finding the Fourth Proportional to 4,815.91, 6,641.51 and 3,696.90

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Solution

The fourth proportional to 4,815.91, 6,641.51 and 3,696.90 is: 5,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.91 : 6,641.51 = 3,696.90 : x
  2. Step 2: Convert to fraction form
    4,815.91/6,641.51 = 3,696.90/x
  3. Step 3: Cross multiply
    4,815.91x = 6,641.51 × 3,696.90
  4. Step 4: Simplify right side
    4,815.91x = 24,552,965.11
  5. Step 5: Solve for x
    x = 24,552,965.11/4,815.91
  6. Step 6: Final answer
    x = 5,098.30

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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.