Home / 8,447.04-11,656.58-4,909.97

Finding the Fourth Proportional to 8,447.04, 11,656.58 and 4,909.97

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Solution

The fourth proportional to 8,447.04, 11,656.58 and 4,909.97 is: 6,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.04 : 11,656.58 = 4,909.97 : x
  2. Step 2: Convert to fraction form
    8,447.04/11,656.58 = 4,909.97/x
  3. Step 3: Cross multiply
    8,447.04x = 11,656.58 × 4,909.97
  4. Step 4: Simplify right side
    8,447.04x = 57,233,462.69
  5. Step 5: Solve for x
    x = 57,233,462.69/8,447.04
  6. Step 6: Final answer
    x = 6,775.56

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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.