Home / 5,345.28-7,369.74-3,453.66

Finding the Fourth Proportional to 5,345.28, 7,369.74 and 3,453.66

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Solution

The fourth proportional to 5,345.28, 7,369.74 and 3,453.66 is: 4,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.28 : 7,369.74 = 3,453.66 : x
  2. Step 2: Convert to fraction form
    5,345.28/7,369.74 = 3,453.66/x
  3. Step 3: Cross multiply
    5,345.28x = 7,369.74 × 3,453.66
  4. Step 4: Simplify right side
    5,345.28x = 25,452,576.25
  5. Step 5: Solve for x
    x = 25,452,576.25/5,345.28
  6. Step 6: Final answer
    x = 4,761.69

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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.