Home / 5,000.96-6,899.20-3,137.28

Finding the Fourth Proportional to 5,000.96, 6,899.20 and 3,137.28

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Solution

The fourth proportional to 5,000.96, 6,899.20 and 3,137.28 is: 4,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.96 : 6,899.20 = 3,137.28 : x
  2. Step 2: Convert to fraction form
    5,000.96/6,899.20 = 3,137.28/x
  3. Step 3: Cross multiply
    5,000.96x = 6,899.20 × 3,137.28
  4. Step 4: Simplify right side
    5,000.96x = 21,644,722.18
  5. Step 5: Solve for x
    x = 21,644,722.18/5,000.96
  6. Step 6: Final answer
    x = 4,328.11

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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.