Home / 5,147.30-7,104.44-2,910.47

Finding the Fourth Proportional to 5,147.30, 7,104.44 and 2,910.47

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Solution

The fourth proportional to 5,147.30, 7,104.44 and 2,910.47 is: 4,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.30 : 7,104.44 = 2,910.47 : x
  2. Step 2: Convert to fraction form
    5,147.30/7,104.44 = 2,910.47/x
  3. Step 3: Cross multiply
    5,147.30x = 7,104.44 × 2,910.47
  4. Step 4: Simplify right side
    5,147.30x = 20,677,259.49
  5. Step 5: Solve for x
    x = 20,677,259.49/5,147.30
  6. Step 6: Final answer
    x = 4,017.11

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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.