Home / 8,189.25-12,284.52-2,925.40

Finding the Fourth Proportional to 8,189.25, 12,284.52 and 2,925.40

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Solution

The fourth proportional to 8,189.25, 12,284.52 and 2,925.40 is: 4,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.25 : 12,284.52 = 2,925.40 : x
  2. Step 2: Convert to fraction form
    8,189.25/12,284.52 = 2,925.40/x
  3. Step 3: Cross multiply
    8,189.25x = 12,284.52 × 2,925.40
  4. Step 4: Simplify right side
    8,189.25x = 35,937,134.81
  5. Step 5: Solve for x
    x = 35,937,134.81/8,189.25
  6. Step 6: Final answer
    x = 4,388.33

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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.