Home / 5,373.57-7,415.51-3,135.54

Finding the Fourth Proportional to 5,373.57, 7,415.51 and 3,135.54

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Solution

The fourth proportional to 5,373.57, 7,415.51 and 3,135.54 is: 4,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.57 : 7,415.51 = 3,135.54 : x
  2. Step 2: Convert to fraction form
    5,373.57/7,415.51 = 3,135.54/x
  3. Step 3: Cross multiply
    5,373.57x = 7,415.51 × 3,135.54
  4. Step 4: Simplify right side
    5,373.57x = 23,251,612.55
  5. Step 5: Solve for x
    x = 23,251,612.55/5,373.57
  6. Step 6: Final answer
    x = 4,327.03

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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.