Home / 7,391.48-10,200.50-4,247.60

Finding the Fourth Proportional to 7,391.48, 10,200.50 and 4,247.60

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Solution

The fourth proportional to 7,391.48, 10,200.50 and 4,247.60 is: 5,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.48 : 10,200.50 = 4,247.60 : x
  2. Step 2: Convert to fraction form
    7,391.48/10,200.50 = 4,247.60/x
  3. Step 3: Cross multiply
    7,391.48x = 10,200.50 × 4,247.60
  4. Step 4: Simplify right side
    7,391.48x = 43,327,643.80
  5. Step 5: Solve for x
    x = 43,327,643.80/7,391.48
  6. Step 6: Final answer
    x = 5,861.84

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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.