Home / 5,018.78-6,931.73-3,337.28

Finding the Fourth Proportional to 5,018.78, 6,931.73 and 3,337.28

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Solution

The fourth proportional to 5,018.78, 6,931.73 and 3,337.28 is: 4,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.78 : 6,931.73 = 3,337.28 : x
  2. Step 2: Convert to fraction form
    5,018.78/6,931.73 = 3,337.28/x
  3. Step 3: Cross multiply
    5,018.78x = 6,931.73 × 3,337.28
  4. Step 4: Simplify right side
    5,018.78x = 23,133,097.58
  5. Step 5: Solve for x
    x = 23,133,097.58/5,018.78
  6. Step 6: Final answer
    x = 4,609.30

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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.