Home / 5,439.66-7,506.59-3,082.56

Finding the Fourth Proportional to 5,439.66, 7,506.59 and 3,082.56

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Solution

The fourth proportional to 5,439.66, 7,506.59 and 3,082.56 is: 4,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.66 : 7,506.59 = 3,082.56 : x
  2. Step 2: Convert to fraction form
    5,439.66/7,506.59 = 3,082.56/x
  3. Step 3: Cross multiply
    5,439.66x = 7,506.59 × 3,082.56
  4. Step 4: Simplify right side
    5,439.66x = 23,139,498.66
  5. Step 5: Solve for x
    x = 23,139,498.66/5,439.66
  6. Step 6: Final answer
    x = 4,253.85

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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.