Home / 7,433.78-10,257.84-4,247.87

Finding the Fourth Proportional to 7,433.78, 10,257.84 and 4,247.87

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Solution

The fourth proportional to 7,433.78, 10,257.84 and 4,247.87 is: 5,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.78 : 10,257.84 = 4,247.87 : x
  2. Step 2: Convert to fraction form
    7,433.78/10,257.84 = 4,247.87/x
  3. Step 3: Cross multiply
    7,433.78x = 10,257.84 × 4,247.87
  4. Step 4: Simplify right side
    7,433.78x = 43,573,948.36
  5. Step 5: Solve for x
    x = 43,573,948.36/7,433.78
  6. Step 6: Final answer
    x = 5,861.62

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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.