Home / 6,808.31-9,395.57-4,155.29

Finding the Fourth Proportional to 6,808.31, 9,395.57 and 4,155.29

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Solution

The fourth proportional to 6,808.31, 9,395.57 and 4,155.29 is: 5,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.31 : 9,395.57 = 4,155.29 : x
  2. Step 2: Convert to fraction form
    6,808.31/9,395.57 = 4,155.29/x
  3. Step 3: Cross multiply
    6,808.31x = 9,395.57 × 4,155.29
  4. Step 4: Simplify right side
    6,808.31x = 39,041,318.07
  5. Step 5: Solve for x
    x = 39,041,318.07/6,808.31
  6. Step 6: Final answer
    x = 5,734.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.