Home / 5,637.50-7,783.28-3,621.73

Finding the Fourth Proportional to 5,637.50, 7,783.28 and 3,621.73

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Solution

The fourth proportional to 5,637.50, 7,783.28 and 3,621.73 is: 5,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.50 : 7,783.28 = 3,621.73 : x
  2. Step 2: Convert to fraction form
    5,637.50/7,783.28 = 3,621.73/x
  3. Step 3: Cross multiply
    5,637.50x = 7,783.28 × 3,621.73
  4. Step 4: Simplify right side
    5,637.50x = 28,188,891.35
  5. Step 5: Solve for x
    x = 28,188,891.35/5,637.50
  6. Step 6: Final answer
    x = 5,000.25

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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.