Home / 5,353.90-7,392.48-4,172.92

Finding the Fourth Proportional to 5,353.90, 7,392.48 and 4,172.92

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Solution

The fourth proportional to 5,353.90, 7,392.48 and 4,172.92 is: 5,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.90 : 7,392.48 = 4,172.92 : x
  2. Step 2: Convert to fraction form
    5,353.90/7,392.48 = 4,172.92/x
  3. Step 3: Cross multiply
    5,353.90x = 7,392.48 × 4,172.92
  4. Step 4: Simplify right side
    5,353.90x = 30,848,227.64
  5. Step 5: Solve for x
    x = 30,848,227.64/5,353.90
  6. Step 6: Final answer
    x = 5,761.82

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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.