Home / 5,149.68-7,098.48-4,209.36

Finding the Fourth Proportional to 5,149.68, 7,098.48 and 4,209.36

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Solution

The fourth proportional to 5,149.68, 7,098.48 and 4,209.36 is: 5,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.68 : 7,098.48 = 4,209.36 : x
  2. Step 2: Convert to fraction form
    5,149.68/7,098.48 = 4,209.36/x
  3. Step 3: Cross multiply
    5,149.68x = 7,098.48 × 4,209.36
  4. Step 4: Simplify right side
    5,149.68x = 29,880,057.77
  5. Step 5: Solve for x
    x = 29,880,057.77/5,149.68
  6. Step 6: Final answer
    x = 5,802.31

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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.