Home / 6,898.43-10,352.78-3,390.32

Finding the Fourth Proportional to 6,898.43, 10,352.78 and 3,390.32

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Solution

The fourth proportional to 6,898.43, 10,352.78 and 3,390.32 is: 5,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.43 : 10,352.78 = 3,390.32 : x
  2. Step 2: Convert to fraction form
    6,898.43/10,352.78 = 3,390.32/x
  3. Step 3: Cross multiply
    6,898.43x = 10,352.78 × 3,390.32
  4. Step 4: Simplify right side
    6,898.43x = 35,099,237.09
  5. Step 5: Solve for x
    x = 35,099,237.09/6,898.43
  6. Step 6: Final answer
    x = 5,088.00

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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.