Home / 7,028.92-9,699.60-3,885.04

Finding the Fourth Proportional to 7,028.92, 9,699.60 and 3,885.04

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Solution

The fourth proportional to 7,028.92, 9,699.60 and 3,885.04 is: 5,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.92 : 9,699.60 = 3,885.04 : x
  2. Step 2: Convert to fraction form
    7,028.92/9,699.60 = 3,885.04/x
  3. Step 3: Cross multiply
    7,028.92x = 9,699.60 × 3,885.04
  4. Step 4: Simplify right side
    7,028.92x = 37,683,333.98
  5. Step 5: Solve for x
    x = 37,683,333.98/7,028.92
  6. Step 6: Final answer
    x = 5,361.18

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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.