Home / 5,781.32-8,670.44-2,858.84

Finding the Fourth Proportional to 5,781.32, 8,670.44 and 2,858.84

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Solution

The fourth proportional to 5,781.32, 8,670.44 and 2,858.84 is: 4,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.32 : 8,670.44 = 2,858.84 : x
  2. Step 2: Convert to fraction form
    5,781.32/8,670.44 = 2,858.84/x
  3. Step 3: Cross multiply
    5,781.32x = 8,670.44 × 2,858.84
  4. Step 4: Simplify right side
    5,781.32x = 24,787,400.69
  5. Step 5: Solve for x
    x = 24,787,400.69/5,781.32
  6. Step 6: Final answer
    x = 4,287.50

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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.