Home / 5,913.92-8,868.40-2,018.56

Finding the Fourth Proportional to 5,913.92, 8,868.40 and 2,018.56

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Solution

The fourth proportional to 5,913.92, 8,868.40 and 2,018.56 is: 3,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.92 : 8,868.40 = 2,018.56 : x
  2. Step 2: Convert to fraction form
    5,913.92/8,868.40 = 2,018.56/x
  3. Step 3: Cross multiply
    5,913.92x = 8,868.40 × 2,018.56
  4. Step 4: Simplify right side
    5,913.92x = 17,901,397.50
  5. Step 5: Solve for x
    x = 17,901,397.50/5,913.92
  6. Step 6: Final answer
    x = 3,026.99

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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.