Home / 6,822.36-10,238.58-5,085.72

Finding the Fourth Proportional to 6,822.36, 10,238.58 and 5,085.72

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Solution

The fourth proportional to 6,822.36, 10,238.58 and 5,085.72 is: 7,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.36 : 10,238.58 = 5,085.72 : x
  2. Step 2: Convert to fraction form
    6,822.36/10,238.58 = 5,085.72/x
  3. Step 3: Cross multiply
    6,822.36x = 10,238.58 × 5,085.72
  4. Step 4: Simplify right side
    6,822.36x = 52,070,551.08
  5. Step 5: Solve for x
    x = 52,070,551.08/6,822.36
  6. Step 6: Final answer
    x = 7,632.34

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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.