Home / 6,110.20-9,165.30-5,159.80

Finding the Fourth Proportional to 6,110.20, 9,165.30 and 5,159.80

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Solution

The fourth proportional to 6,110.20, 9,165.30 and 5,159.80 is: 7,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.20 : 9,165.30 = 5,159.80 : x
  2. Step 2: Convert to fraction form
    6,110.20/9,165.30 = 5,159.80/x
  3. Step 3: Cross multiply
    6,110.20x = 9,165.30 × 5,159.80
  4. Step 4: Simplify right side
    6,110.20x = 47,291,114.94
  5. Step 5: Solve for x
    x = 47,291,114.94/6,110.20
  6. Step 6: Final answer
    x = 7,739.70

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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.