Home / 5,340.42-7,369.85-3,102.39

Finding the Fourth Proportional to 5,340.42, 7,369.85 and 3,102.39

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Solution

The fourth proportional to 5,340.42, 7,369.85 and 3,102.39 is: 4,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.42 : 7,369.85 = 3,102.39 : x
  2. Step 2: Convert to fraction form
    5,340.42/7,369.85 = 3,102.39/x
  3. Step 3: Cross multiply
    5,340.42x = 7,369.85 × 3,102.39
  4. Step 4: Simplify right side
    5,340.42x = 22,864,133.43
  5. Step 5: Solve for x
    x = 22,864,133.43/5,340.42
  6. Step 6: Final answer
    x = 4,281.34

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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.