Home / 4,089.02-6,132.24-2,140.16

Finding the Fourth Proportional to 4,089.02, 6,132.24 and 2,140.16

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Solution

The fourth proportional to 4,089.02, 6,132.24 and 2,140.16 is: 3,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.02 : 6,132.24 = 2,140.16 : x
  2. Step 2: Convert to fraction form
    4,089.02/6,132.24 = 2,140.16/x
  3. Step 3: Cross multiply
    4,089.02x = 6,132.24 × 2,140.16
  4. Step 4: Simplify right side
    4,089.02x = 13,123,944.10
  5. Step 5: Solve for x
    x = 13,123,944.10/4,089.02
  6. Step 6: Final answer
    x = 3,209.56

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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.