Home / 5,098.10-7,647.14-1,400.72

Finding the Fourth Proportional to 5,098.10, 7,647.14 and 1,400.72

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Solution

The fourth proportional to 5,098.10, 7,647.14 and 1,400.72 is: 2,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.10 : 7,647.14 = 1,400.72 : x
  2. Step 2: Convert to fraction form
    5,098.10/7,647.14 = 1,400.72/x
  3. Step 3: Cross multiply
    5,098.10x = 7,647.14 × 1,400.72
  4. Step 4: Simplify right side
    5,098.10x = 10,711,467.21
  5. Step 5: Solve for x
    x = 10,711,467.21/5,098.10
  6. Step 6: Final answer
    x = 2,101.07

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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.