Home / 4,641.49-6,405.59-2,874.12

Finding the Fourth Proportional to 4,641.49, 6,405.59 and 2,874.12

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Solution

The fourth proportional to 4,641.49, 6,405.59 and 2,874.12 is: 3,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.49 : 6,405.59 = 2,874.12 : x
  2. Step 2: Convert to fraction form
    4,641.49/6,405.59 = 2,874.12/x
  3. Step 3: Cross multiply
    4,641.49x = 6,405.59 × 2,874.12
  4. Step 4: Simplify right side
    4,641.49x = 18,410,434.33
  5. Step 5: Solve for x
    x = 18,410,434.33/4,641.49
  6. Step 6: Final answer
    x = 3,966.49

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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.