Home / 6,898.66-10,345.19-3,390.18

Finding the Fourth Proportional to 6,898.66, 10,345.19 and 3,390.18

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Solution

The fourth proportional to 6,898.66, 10,345.19 and 3,390.18 is: 5,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.66 : 10,345.19 = 3,390.18 : x
  2. Step 2: Convert to fraction form
    6,898.66/10,345.19 = 3,390.18/x
  3. Step 3: Cross multiply
    6,898.66x = 10,345.19 × 3,390.18
  4. Step 4: Simplify right side
    6,898.66x = 35,072,056.23
  5. Step 5: Solve for x
    x = 35,072,056.23/6,898.66
  6. Step 6: Final answer
    x = 5,083.89

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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.