Home / 6,934.08-10,394.40-3,460.80

Finding the Fourth Proportional to 6,934.08, 10,394.40 and 3,460.80

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Solution

The fourth proportional to 6,934.08, 10,394.40 and 3,460.80 is: 5,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,934.08 : 10,394.40 = 3,460.80 : x
  2. Step 2: Convert to fraction form
    6,934.08/10,394.40 = 3,460.80/x
  3. Step 3: Cross multiply
    6,934.08x = 10,394.40 × 3,460.80
  4. Step 4: Simplify right side
    6,934.08x = 35,972,939.52
  5. Step 5: Solve for x
    x = 35,972,939.52/6,934.08
  6. Step 6: Final answer
    x = 5,187.85

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1.5x scale

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.