Home / 5,149.36-7,109.16-3,384.04

Finding the Fourth Proportional to 5,149.36, 7,109.16 and 3,384.04

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Solution

The fourth proportional to 5,149.36, 7,109.16 and 3,384.04 is: 4,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.36 : 7,109.16 = 3,384.04 : x
  2. Step 2: Convert to fraction form
    5,149.36/7,109.16 = 3,384.04/x
  3. Step 3: Cross multiply
    5,149.36x = 7,109.16 × 3,384.04
  4. Step 4: Simplify right side
    5,149.36x = 24,057,681.81
  5. Step 5: Solve for x
    x = 24,057,681.81/5,149.36
  6. Step 6: Final answer
    x = 4,671.98

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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.