Home / 5,434.61-7,500.39-3,311.39

Finding the Fourth Proportional to 5,434.61, 7,500.39 and 3,311.39

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Solution

The fourth proportional to 5,434.61, 7,500.39 and 3,311.39 is: 4,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.61 : 7,500.39 = 3,311.39 : x
  2. Step 2: Convert to fraction form
    5,434.61/7,500.39 = 3,311.39/x
  3. Step 3: Cross multiply
    5,434.61x = 7,500.39 × 3,311.39
  4. Step 4: Simplify right side
    5,434.61x = 24,836,678.94
  5. Step 5: Solve for x
    x = 24,836,678.94/5,434.61
  6. Step 6: Final answer
    x = 4,570.10

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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.