Home / 5,353.46-7,390.26-3,114.52

Finding the Fourth Proportional to 5,353.46, 7,390.26 and 3,114.52

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Solution

The fourth proportional to 5,353.46, 7,390.26 and 3,114.52 is: 4,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.46 : 7,390.26 = 3,114.52 : x
  2. Step 2: Convert to fraction form
    5,353.46/7,390.26 = 3,114.52/x
  3. Step 3: Cross multiply
    5,353.46x = 7,390.26 × 3,114.52
  4. Step 4: Simplify right side
    5,353.46x = 23,017,112.58
  5. Step 5: Solve for x
    x = 23,017,112.58/5,353.46
  6. Step 6: Final answer
    x = 4,299.48

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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.