Home / 5,124.18-7,685.90-2,003.60

Finding the Fourth Proportional to 5,124.18, 7,685.90 and 2,003.60

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Solution

The fourth proportional to 5,124.18, 7,685.90 and 2,003.60 is: 3,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.18 : 7,685.90 = 2,003.60 : x
  2. Step 2: Convert to fraction form
    5,124.18/7,685.90 = 2,003.60/x
  3. Step 3: Cross multiply
    5,124.18x = 7,685.90 × 2,003.60
  4. Step 4: Simplify right side
    5,124.18x = 15,399,469.24
  5. Step 5: Solve for x
    x = 15,399,469.24/5,124.18
  6. Step 6: Final answer
    x = 3,005.26

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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.