Home / 6,555.85-9,825.57-5,163.70

Finding the Fourth Proportional to 6,555.85, 9,825.57 and 5,163.70

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Solution

The fourth proportional to 6,555.85, 9,825.57 and 5,163.70 is: 7,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.85 : 9,825.57 = 5,163.70 : x
  2. Step 2: Convert to fraction form
    6,555.85/9,825.57 = 5,163.70/x
  3. Step 3: Cross multiply
    6,555.85x = 9,825.57 × 5,163.70
  4. Step 4: Simplify right side
    6,555.85x = 50,736,289.67
  5. Step 5: Solve for x
    x = 50,736,289.67/6,555.85
  6. Step 6: Final answer
    x = 7,739.08

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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.