Home / 6,631.85-9,153.26-3,801.12

Finding the Fourth Proportional to 6,631.85, 9,153.26 and 3,801.12

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Solution

The fourth proportional to 6,631.85, 9,153.26 and 3,801.12 is: 5,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.85 : 9,153.26 = 3,801.12 : x
  2. Step 2: Convert to fraction form
    6,631.85/9,153.26 = 3,801.12/x
  3. Step 3: Cross multiply
    6,631.85x = 9,153.26 × 3,801.12
  4. Step 4: Simplify right side
    6,631.85x = 34,792,646.99
  5. Step 5: Solve for x
    x = 34,792,646.99/6,631.85
  6. Step 6: Final answer
    x = 5,246.29

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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.