Home / 8,925.75-13,388.72-3,659.42

Finding the Fourth Proportional to 8,925.75, 13,388.72 and 3,659.42

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Solution

The fourth proportional to 8,925.75, 13,388.72 and 3,659.42 is: 5,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.75 : 13,388.72 = 3,659.42 : x
  2. Step 2: Convert to fraction form
    8,925.75/13,388.72 = 3,659.42/x
  3. Step 3: Cross multiply
    8,925.75x = 13,388.72 × 3,659.42
  4. Step 4: Simplify right side
    8,925.75x = 48,994,864.50
  5. Step 5: Solve for x
    x = 48,994,864.50/8,925.75
  6. Step 6: Final answer
    x = 5,489.16

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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.