Home / 8,502.45-11,729.61-5,667.06

Finding the Fourth Proportional to 8,502.45, 11,729.61 and 5,667.06

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Solution

The fourth proportional to 8,502.45, 11,729.61 and 5,667.06 is: 7,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.45 : 11,729.61 = 5,667.06 : x
  2. Step 2: Convert to fraction form
    8,502.45/11,729.61 = 5,667.06/x
  3. Step 3: Cross multiply
    8,502.45x = 11,729.61 × 5,667.06
  4. Step 4: Simplify right side
    8,502.45x = 66,472,447.63
  5. Step 5: Solve for x
    x = 66,472,447.63/8,502.45
  6. Step 6: Final answer
    x = 7,818.03

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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.