Home / 5,434.76-8,145.81-2,506.91

Finding the Fourth Proportional to 5,434.76, 8,145.81 and 2,506.91

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Solution

The fourth proportional to 5,434.76, 8,145.81 and 2,506.91 is: 3,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.76 : 8,145.81 = 2,506.91 : x
  2. Step 2: Convert to fraction form
    5,434.76/8,145.81 = 2,506.91/x
  3. Step 3: Cross multiply
    5,434.76x = 8,145.81 × 2,506.91
  4. Step 4: Simplify right side
    5,434.76x = 20,420,771.82
  5. Step 5: Solve for x
    x = 20,420,771.82/5,434.76
  6. Step 6: Final answer
    x = 3,757.44

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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.