Home / 5,359.23-8,021.84-5,155.11

Finding the Fourth Proportional to 5,359.23, 8,021.84 and 5,155.11

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Solution

The fourth proportional to 5,359.23, 8,021.84 and 5,155.11 is: 7,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.23 : 8,021.84 = 5,155.11 : x
  2. Step 2: Convert to fraction form
    5,359.23/8,021.84 = 5,155.11/x
  3. Step 3: Cross multiply
    5,359.23x = 8,021.84 × 5,155.11
  4. Step 4: Simplify right side
    5,359.23x = 41,353,441.83
  5. Step 5: Solve for x
    x = 41,353,441.83/5,359.23
  6. Step 6: Final answer
    x = 7,716.30

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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.