Home / 5,209.63-7,188.65-4,150.09

Finding the Fourth Proportional to 5,209.63, 7,188.65 and 4,150.09

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Solution

The fourth proportional to 5,209.63, 7,188.65 and 4,150.09 is: 5,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.63 : 7,188.65 = 4,150.09 : x
  2. Step 2: Convert to fraction form
    5,209.63/7,188.65 = 4,150.09/x
  3. Step 3: Cross multiply
    5,209.63x = 7,188.65 × 4,150.09
  4. Step 4: Simplify right side
    5,209.63x = 29,833,505.76
  5. Step 5: Solve for x
    x = 29,833,505.76/5,209.63
  6. Step 6: Final answer
    x = 5,726.61

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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.