Home / 5,439.16-7,505.89-3,082.06

Finding the Fourth Proportional to 5,439.16, 7,505.89 and 3,082.06

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Solution

The fourth proportional to 5,439.16, 7,505.89 and 3,082.06 is: 4,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.16 : 7,505.89 = 3,082.06 : x
  2. Step 2: Convert to fraction form
    5,439.16/7,505.89 = 3,082.06/x
  3. Step 3: Cross multiply
    5,439.16x = 7,505.89 × 3,082.06
  4. Step 4: Simplify right side
    5,439.16x = 23,133,603.33
  5. Step 5: Solve for x
    x = 23,133,603.33/5,439.16
  6. Step 6: Final answer
    x = 4,253.16

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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.