Home / 5,149.48-7,113.54-4,100.20

Finding the Fourth Proportional to 5,149.48, 7,113.54 and 4,100.20

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Solution

The fourth proportional to 5,149.48, 7,113.54 and 4,100.20 is: 5,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.48 : 7,113.54 = 4,100.20 : x
  2. Step 2: Convert to fraction form
    5,149.48/7,113.54 = 4,100.20/x
  3. Step 3: Cross multiply
    5,149.48x = 7,113.54 × 4,100.20
  4. Step 4: Simplify right side
    5,149.48x = 29,166,936.71
  5. Step 5: Solve for x
    x = 29,166,936.71/5,149.48
  6. Step 6: Final answer
    x = 5,664.05

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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.