Home / 5,439.38-7,506.34-3,081.67

Finding the Fourth Proportional to 5,439.38, 7,506.34 and 3,081.67

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Solution

The fourth proportional to 5,439.38, 7,506.34 and 3,081.67 is: 4,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.38 : 7,506.34 = 3,081.67 : x
  2. Step 2: Convert to fraction form
    5,439.38/7,506.34 = 3,081.67/x
  3. Step 3: Cross multiply
    5,439.38x = 7,506.34 × 3,081.67
  4. Step 4: Simplify right side
    5,439.38x = 23,132,036.32
  5. Step 5: Solve for x
    x = 23,132,036.32/5,439.38
  6. Step 6: Final answer
    x = 4,252.70

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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.