Home / 5,359.32-8,042.40-3,894.84

Finding the Fourth Proportional to 5,359.32, 8,042.40 and 3,894.84

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Solution

The fourth proportional to 5,359.32, 8,042.40 and 3,894.84 is: 5,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.32 : 8,042.40 = 3,894.84 : x
  2. Step 2: Convert to fraction form
    5,359.32/8,042.40 = 3,894.84/x
  3. Step 3: Cross multiply
    5,359.32x = 8,042.40 × 3,894.84
  4. Step 4: Simplify right side
    5,359.32x = 31,323,861.22
  5. Step 5: Solve for x
    x = 31,323,861.22/5,359.32
  6. Step 6: Final answer
    x = 5,844.75

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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.