Home / 6,905.16-10,354.26-3,395.40

Finding the Fourth Proportional to 6,905.16, 10,354.26 and 3,395.40

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Solution

The fourth proportional to 6,905.16, 10,354.26 and 3,395.40 is: 5,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.16 : 10,354.26 = 3,395.40 : x
  2. Step 2: Convert to fraction form
    6,905.16/10,354.26 = 3,395.40/x
  3. Step 3: Cross multiply
    6,905.16x = 10,354.26 × 3,395.40
  4. Step 4: Simplify right side
    6,905.16x = 35,156,854.40
  5. Step 5: Solve for x
    x = 35,156,854.40/6,905.16
  6. Step 6: Final answer
    x = 5,091.39

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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.