Home / 8,162.47-11,263.36-4,805.08

Finding the Fourth Proportional to 8,162.47, 11,263.36 and 4,805.08

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Solution

The fourth proportional to 8,162.47, 11,263.36 and 4,805.08 is: 6,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.47 : 11,263.36 = 4,805.08 : x
  2. Step 2: Convert to fraction form
    8,162.47/11,263.36 = 4,805.08/x
  3. Step 3: Cross multiply
    8,162.47x = 11,263.36 × 4,805.08
  4. Step 4: Simplify right side
    8,162.47x = 54,121,345.87
  5. Step 5: Solve for x
    x = 54,121,345.87/8,162.47
  6. Step 6: Final answer
    x = 6,630.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.