Home / 8,305.22-12,455.71-2,460.47

Finding the Fourth Proportional to 8,305.22, 12,455.71 and 2,460.47

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Solution

The fourth proportional to 8,305.22, 12,455.71 and 2,460.47 is: 3,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.22 : 12,455.71 = 2,460.47 : x
  2. Step 2: Convert to fraction form
    8,305.22/12,455.71 = 2,460.47/x
  3. Step 3: Cross multiply
    8,305.22x = 12,455.71 × 2,460.47
  4. Step 4: Simplify right side
    8,305.22x = 30,646,832.35
  5. Step 5: Solve for x
    x = 30,646,832.35/8,305.22
  6. Step 6: Final answer
    x = 3,690.07

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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.