Home / 4,631.07-6,391.49-2,641.17

Finding the Fourth Proportional to 4,631.07, 6,391.49 and 2,641.17

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Solution

The fourth proportional to 4,631.07, 6,391.49 and 2,641.17 is: 3,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.07 : 6,391.49 = 2,641.17 : x
  2. Step 2: Convert to fraction form
    4,631.07/6,391.49 = 2,641.17/x
  3. Step 3: Cross multiply
    4,631.07x = 6,391.49 × 2,641.17
  4. Step 4: Simplify right side
    4,631.07x = 16,880,998.44
  5. Step 5: Solve for x
    x = 16,880,998.44/4,631.07
  6. Step 6: Final answer
    x = 3,645.16

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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.