Home / 5,101.10-7,644.45-2,019.50

Finding the Fourth Proportional to 5,101.10, 7,644.45 and 2,019.50

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Solution

The fourth proportional to 5,101.10, 7,644.45 and 2,019.50 is: 3,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.10 : 7,644.45 = 2,019.50 : x
  2. Step 2: Convert to fraction form
    5,101.10/7,644.45 = 2,019.50/x
  3. Step 3: Cross multiply
    5,101.10x = 7,644.45 × 2,019.50
  4. Step 4: Simplify right side
    5,101.10x = 15,437,966.78
  5. Step 5: Solve for x
    x = 15,437,966.78/5,101.10
  6. Step 6: Final answer
    x = 3,026.40

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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.