Home / 6,678.18-10,019.55-2,982.96

Finding the Fourth Proportional to 6,678.18, 10,019.55 and 2,982.96

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Solution

The fourth proportional to 6,678.18, 10,019.55 and 2,982.96 is: 4,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.18 : 10,019.55 = 2,982.96 : x
  2. Step 2: Convert to fraction form
    6,678.18/10,019.55 = 2,982.96/x
  3. Step 3: Cross multiply
    6,678.18x = 10,019.55 × 2,982.96
  4. Step 4: Simplify right side
    6,678.18x = 29,887,916.87
  5. Step 5: Solve for x
    x = 29,887,916.87/6,678.18
  6. Step 6: Final answer
    x = 4,475.46

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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.