Home / 4,578.39-6,318.54-2,809.08

Finding the Fourth Proportional to 4,578.39, 6,318.54 and 2,809.08

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Solution

The fourth proportional to 4,578.39, 6,318.54 and 2,809.08 is: 3,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.39 : 6,318.54 = 2,809.08 : x
  2. Step 2: Convert to fraction form
    4,578.39/6,318.54 = 2,809.08/x
  3. Step 3: Cross multiply
    4,578.39x = 6,318.54 × 2,809.08
  4. Step 4: Simplify right side
    4,578.39x = 17,749,284.34
  5. Step 5: Solve for x
    x = 17,749,284.34/4,578.39
  6. Step 6: Final answer
    x = 3,876.75

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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.