Home / 5,416.04-8,122.66-2,129.15

Finding the Fourth Proportional to 5,416.04, 8,122.66 and 2,129.15

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Solution

The fourth proportional to 5,416.04, 8,122.66 and 2,129.15 is: 3,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.04 : 8,122.66 = 2,129.15 : x
  2. Step 2: Convert to fraction form
    5,416.04/8,122.66 = 2,129.15/x
  3. Step 3: Cross multiply
    5,416.04x = 8,122.66 × 2,129.15
  4. Step 4: Simplify right side
    5,416.04x = 17,294,361.54
  5. Step 5: Solve for x
    x = 17,294,361.54/5,416.04
  6. Step 6: Final answer
    x = 3,193.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.