Home / 8,667.89-11,961.77-5,263.91

Finding the Fourth Proportional to 8,667.89, 11,961.77 and 5,263.91

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Solution

The fourth proportional to 8,667.89, 11,961.77 and 5,263.91 is: 7,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.89 : 11,961.77 = 5,263.91 : x
  2. Step 2: Convert to fraction form
    8,667.89/11,961.77 = 5,263.91/x
  3. Step 3: Cross multiply
    8,667.89x = 11,961.77 × 5,263.91
  4. Step 4: Simplify right side
    8,667.89x = 62,965,594.59
  5. Step 5: Solve for x
    x = 62,965,594.59/8,667.89
  6. Step 6: Final answer
    x = 7,264.24

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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.