Home / 6,537.20-9,020.78-3,885.24

Finding the Fourth Proportional to 6,537.20, 9,020.78 and 3,885.24

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Solution

The fourth proportional to 6,537.20, 9,020.78 and 3,885.24 is: 5,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,537.20 : 9,020.78 = 3,885.24 : x
  2. Step 2: Convert to fraction form
    6,537.20/9,020.78 = 3,885.24/x
  3. Step 3: Cross multiply
    6,537.20x = 9,020.78 × 3,885.24
  4. Step 4: Simplify right side
    6,537.20x = 35,047,895.29
  5. Step 5: Solve for x
    x = 35,047,895.29/6,537.20
  6. Step 6: Final answer
    x = 5,361.30

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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.