Home / 4,979.30-7,468.95-2,054.39

Finding the Fourth Proportional to 4,979.30, 7,468.95 and 2,054.39

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Solution

The fourth proportional to 4,979.30, 7,468.95 and 2,054.39 is: 3,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.30 : 7,468.95 = 2,054.39 : x
  2. Step 2: Convert to fraction form
    4,979.30/7,468.95 = 2,054.39/x
  3. Step 3: Cross multiply
    4,979.30x = 7,468.95 × 2,054.39
  4. Step 4: Simplify right side
    4,979.30x = 15,344,088.57
  5. Step 5: Solve for x
    x = 15,344,088.57/4,979.30
  6. Step 6: Final answer
    x = 3,081.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.