Home / 4,685.40-6,467.94-2,918.19

Finding the Fourth Proportional to 4,685.40, 6,467.94 and 2,918.19

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Solution

The fourth proportional to 4,685.40, 6,467.94 and 2,918.19 is: 4,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.40 : 6,467.94 = 2,918.19 : x
  2. Step 2: Convert to fraction form
    4,685.40/6,467.94 = 2,918.19/x
  3. Step 3: Cross multiply
    4,685.40x = 6,467.94 × 2,918.19
  4. Step 4: Simplify right side
    4,685.40x = 18,874,677.83
  5. Step 5: Solve for x
    x = 18,874,677.83/4,685.40
  6. Step 6: Final answer
    x = 4,028.40

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Double scale
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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.