Home / 5,178.02-7,769.19-3,097.94

Finding the Fourth Proportional to 5,178.02, 7,769.19 and 3,097.94

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Solution

The fourth proportional to 5,178.02, 7,769.19 and 3,097.94 is: 4,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.02 : 7,769.19 = 3,097.94 : x
  2. Step 2: Convert to fraction form
    5,178.02/7,769.19 = 3,097.94/x
  3. Step 3: Cross multiply
    5,178.02x = 7,769.19 × 3,097.94
  4. Step 4: Simplify right side
    5,178.02x = 24,068,484.47
  5. Step 5: Solve for x
    x = 24,068,484.47/5,178.02
  6. Step 6: Final answer
    x = 4,648.20

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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.