Home / 6,690.16-10,025.04-3,398.32

Finding the Fourth Proportional to 6,690.16, 10,025.04 and 3,398.32

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Solution

The fourth proportional to 6,690.16, 10,025.04 and 3,398.32 is: 5,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.16 : 10,025.04 = 3,398.32 : x
  2. Step 2: Convert to fraction form
    6,690.16/10,025.04 = 3,398.32/x
  3. Step 3: Cross multiply
    6,690.16x = 10,025.04 × 3,398.32
  4. Step 4: Simplify right side
    6,690.16x = 34,068,293.93
  5. Step 5: Solve for x
    x = 34,068,293.93/6,690.16
  6. Step 6: Final answer
    x = 5,092.30

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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.