Home / 7,240.02-10,861.63-4,121.50

Finding the Fourth Proportional to 7,240.02, 10,861.63 and 4,121.50

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Solution

The fourth proportional to 7,240.02, 10,861.63 and 4,121.50 is: 6,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.02 : 10,861.63 = 4,121.50 : x
  2. Step 2: Convert to fraction form
    7,240.02/10,861.63 = 4,121.50/x
  3. Step 3: Cross multiply
    7,240.02x = 10,861.63 × 4,121.50
  4. Step 4: Simplify right side
    7,240.02x = 44,766,208.05
  5. Step 5: Solve for x
    x = 44,766,208.05/7,240.02
  6. Step 6: Final answer
    x = 6,183.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.