Home / 7,444.12-10,272.69-4,086.92

Finding the Fourth Proportional to 7,444.12, 10,272.69 and 4,086.92

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Solution

The fourth proportional to 7,444.12, 10,272.69 and 4,086.92 is: 5,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.12 : 10,272.69 = 4,086.92 : x
  2. Step 2: Convert to fraction form
    7,444.12/10,272.69 = 4,086.92/x
  3. Step 3: Cross multiply
    7,444.12x = 10,272.69 × 4,086.92
  4. Step 4: Simplify right side
    7,444.12x = 41,983,662.21
  5. Step 5: Solve for x
    x = 41,983,662.21/7,444.12
  6. Step 6: Final answer
    x = 5,639.84

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Half scale
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Double scale
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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.