Home / 5,617.96-8,428.02-2,154.94

Finding the Fourth Proportional to 5,617.96, 8,428.02 and 2,154.94

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Solution

The fourth proportional to 5,617.96, 8,428.02 and 2,154.94 is: 3,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.96 : 8,428.02 = 2,154.94 : x
  2. Step 2: Convert to fraction form
    5,617.96/8,428.02 = 2,154.94/x
  3. Step 3: Cross multiply
    5,617.96x = 8,428.02 × 2,154.94
  4. Step 4: Simplify right side
    5,617.96x = 18,161,856.35
  5. Step 5: Solve for x
    x = 18,161,856.35/5,617.96
  6. Step 6: Final answer
    x = 3,232.82

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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.