Home / 6,135.36-9,165.12-5,518.08

Finding the Fourth Proportional to 6,135.36, 9,165.12 and 5,518.08

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Solution

The fourth proportional to 6,135.36, 9,165.12 and 5,518.08 is: 8,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.36 : 9,165.12 = 5,518.08 : x
  2. Step 2: Convert to fraction form
    6,135.36/9,165.12 = 5,518.08/x
  3. Step 3: Cross multiply
    6,135.36x = 9,165.12 × 5,518.08
  4. Step 4: Simplify right side
    6,135.36x = 50,573,865.37
  5. Step 5: Solve for x
    x = 50,573,865.37/6,135.36
  6. Step 6: Final answer
    x = 8,243.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.