Home / 5,625.44-8,432.56-3,777.28

Finding the Fourth Proportional to 5,625.44, 8,432.56 and 3,777.28

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Solution

The fourth proportional to 5,625.44, 8,432.56 and 3,777.28 is: 5,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.44 : 8,432.56 = 3,777.28 : x
  2. Step 2: Convert to fraction form
    5,625.44/8,432.56 = 3,777.28/x
  3. Step 3: Cross multiply
    5,625.44x = 8,432.56 × 3,777.28
  4. Step 4: Simplify right side
    5,625.44x = 31,852,140.24
  5. Step 5: Solve for x
    x = 31,852,140.24/5,625.44
  6. Step 6: Final answer
    x = 5,662.16

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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.