Home / 6,674.78-9,210.98-3,690.46

Finding the Fourth Proportional to 6,674.78, 9,210.98 and 3,690.46

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Solution

The fourth proportional to 6,674.78, 9,210.98 and 3,690.46 is: 5,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,674.78 : 9,210.98 = 3,690.46 : x
  2. Step 2: Convert to fraction form
    6,674.78/9,210.98 = 3,690.46/x
  3. Step 3: Cross multiply
    6,674.78x = 9,210.98 × 3,690.46
  4. Step 4: Simplify right side
    6,674.78x = 33,992,753.25
  5. Step 5: Solve for x
    x = 33,992,753.25/6,674.78
  6. Step 6: Final answer
    x = 5,092.72

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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.