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Finding the Fourth Proportional to 6,667.52, 9,999.15 and 2,718.77

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Solution

The fourth proportional to 6,667.52, 9,999.15 and 2,718.77 is: 4,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.52 : 9,999.15 = 2,718.77 : x
  2. Step 2: Convert to fraction form
    6,667.52/9,999.15 = 2,718.77/x
  3. Step 3: Cross multiply
    6,667.52x = 9,999.15 × 2,718.77
  4. Step 4: Simplify right side
    6,667.52x = 27,185,328.85
  5. Step 5: Solve for x
    x = 27,185,328.85/6,667.52
  6. Step 6: Final answer
    x = 4,077.28

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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.