Home / 5,204.15-7,816.95-4,979.58

Finding the Fourth Proportional to 5,204.15, 7,816.95 and 4,979.58

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Solution

The fourth proportional to 5,204.15, 7,816.95 and 4,979.58 is: 7,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.15 : 7,816.95 = 4,979.58 : x
  2. Step 2: Convert to fraction form
    5,204.15/7,816.95 = 4,979.58/x
  3. Step 3: Cross multiply
    5,204.15x = 7,816.95 × 4,979.58
  4. Step 4: Simplify right side
    5,204.15x = 38,925,127.88
  5. Step 5: Solve for x
    x = 38,925,127.88/5,204.15
  6. Step 6: Final answer
    x = 7,479.64

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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.