Home / 8,667.55-11,961.22-4,688.66

Finding the Fourth Proportional to 8,667.55, 11,961.22 and 4,688.66

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Solution

The fourth proportional to 8,667.55, 11,961.22 and 4,688.66 is: 6,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.55 : 11,961.22 = 4,688.66 : x
  2. Step 2: Convert to fraction form
    8,667.55/11,961.22 = 4,688.66/x
  3. Step 3: Cross multiply
    8,667.55x = 11,961.22 × 4,688.66
  4. Step 4: Simplify right side
    8,667.55x = 56,082,093.77
  5. Step 5: Solve for x
    x = 56,082,093.77/8,667.55
  6. Step 6: Final answer
    x = 6,470.35

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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.