Home / 5,310.71-7,336.28-4,255.49

Finding the Fourth Proportional to 5,310.71, 7,336.28 and 4,255.49

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Solution

The fourth proportional to 5,310.71, 7,336.28 and 4,255.49 is: 5,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.71 : 7,336.28 = 4,255.49 : x
  2. Step 2: Convert to fraction form
    5,310.71/7,336.28 = 4,255.49/x
  3. Step 3: Cross multiply
    5,310.71x = 7,336.28 × 4,255.49
  4. Step 4: Simplify right side
    5,310.71x = 31,219,408.22
  5. Step 5: Solve for x
    x = 31,219,408.22/5,310.71
  6. Step 6: Final answer
    x = 5,878.58

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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.