Home / 5,617.77-8,427.74-2,154.75

Finding the Fourth Proportional to 5,617.77, 8,427.74 and 2,154.75

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Solution

The fourth proportional to 5,617.77, 8,427.74 and 2,154.75 is: 3,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.77 : 8,427.74 = 2,154.75 : x
  2. Step 2: Convert to fraction form
    5,617.77/8,427.74 = 2,154.75/x
  3. Step 3: Cross multiply
    5,617.77x = 8,427.74 × 2,154.75
  4. Step 4: Simplify right side
    5,617.77x = 18,159,661.99
  5. Step 5: Solve for x
    x = 18,159,661.99/5,617.77
  6. Step 6: Final answer
    x = 3,232.54

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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.