Home / 8,667.34-11,960.85-4,890.53

Finding the Fourth Proportional to 8,667.34, 11,960.85 and 4,890.53

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Solution

The fourth proportional to 8,667.34, 11,960.85 and 4,890.53 is: 6,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.34 : 11,960.85 = 4,890.53 : x
  2. Step 2: Convert to fraction form
    8,667.34/11,960.85 = 4,890.53/x
  3. Step 3: Cross multiply
    8,667.34x = 11,960.85 × 4,890.53
  4. Step 4: Simplify right side
    8,667.34x = 58,494,895.75
  5. Step 5: Solve for x
    x = 58,494,895.75/8,667.34
  6. Step 6: Final answer
    x = 6,748.89

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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.