Home / 4,999.05-7,487.17-4,288.28

Finding the Fourth Proportional to 4,999.05, 7,487.17 and 4,288.28

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Solution

The fourth proportional to 4,999.05, 7,487.17 and 4,288.28 is: 6,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.05 : 7,487.17 = 4,288.28 : x
  2. Step 2: Convert to fraction form
    4,999.05/7,487.17 = 4,288.28/x
  3. Step 3: Cross multiply
    4,999.05x = 7,487.17 × 4,288.28
  4. Step 4: Simplify right side
    4,999.05x = 32,107,033.21
  5. Step 5: Solve for x
    x = 32,107,033.21/4,999.05
  6. Step 6: Final answer
    x = 6,422.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.