Home / 7,720.28-10,654.02-4,183.50

Finding the Fourth Proportional to 7,720.28, 10,654.02 and 4,183.50

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Solution

The fourth proportional to 7,720.28, 10,654.02 and 4,183.50 is: 5,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.28 : 10,654.02 = 4,183.50 : x
  2. Step 2: Convert to fraction form
    7,720.28/10,654.02 = 4,183.50/x
  3. Step 3: Cross multiply
    7,720.28x = 10,654.02 × 4,183.50
  4. Step 4: Simplify right side
    7,720.28x = 44,571,092.67
  5. Step 5: Solve for x
    x = 44,571,092.67/7,720.28
  6. Step 6: Final answer
    x = 5,773.25

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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.