Home / 6,598.39-9,895.10-2,155.02

Finding the Fourth Proportional to 6,598.39, 9,895.10 and 2,155.02

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Solution

The fourth proportional to 6,598.39, 9,895.10 and 2,155.02 is: 3,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,598.39 : 9,895.10 = 2,155.02 : x
  2. Step 2: Convert to fraction form
    6,598.39/9,895.10 = 2,155.02/x
  3. Step 3: Cross multiply
    6,598.39x = 9,895.10 × 2,155.02
  4. Step 4: Simplify right side
    6,598.39x = 21,324,138.40
  5. Step 5: Solve for x
    x = 21,324,138.40/6,598.39
  6. Step 6: Final answer
    x = 3,231.72

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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.