Home / 8,447.30-11,656.26-4,669.95

Finding the Fourth Proportional to 8,447.30, 11,656.26 and 4,669.95

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Solution

The fourth proportional to 8,447.30, 11,656.26 and 4,669.95 is: 6,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.30 : 11,656.26 = 4,669.95 : x
  2. Step 2: Convert to fraction form
    8,447.30/11,656.26 = 4,669.95/x
  3. Step 3: Cross multiply
    8,447.30x = 11,656.26 × 4,669.95
  4. Step 4: Simplify right side
    8,447.30x = 54,434,151.39
  5. Step 5: Solve for x
    x = 54,434,151.39/8,447.30
  6. Step 6: Final answer
    x = 6,443.97

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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.