Home / 7,861.50-10,845.18-5,733.90

Finding the Fourth Proportional to 7,861.50, 10,845.18 and 5,733.90

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Solution

The fourth proportional to 7,861.50, 10,845.18 and 5,733.90 is: 7,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.50 : 10,845.18 = 5,733.90 : x
  2. Step 2: Convert to fraction form
    7,861.50/10,845.18 = 5,733.90/x
  3. Step 3: Cross multiply
    7,861.50x = 10,845.18 × 5,733.90
  4. Step 4: Simplify right side
    7,861.50x = 62,185,177.60
  5. Step 5: Solve for x
    x = 62,185,177.60/7,861.50
  6. Step 6: Final answer
    x = 7,910.09

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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.