Home / 7,245.50-10,869.60-2,313.80

Finding the Fourth Proportional to 7,245.50, 10,869.60 and 2,313.80

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Solution

The fourth proportional to 7,245.50, 10,869.60 and 2,313.80 is: 3,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.50 : 10,869.60 = 2,313.80 : x
  2. Step 2: Convert to fraction form
    7,245.50/10,869.60 = 2,313.80/x
  3. Step 3: Cross multiply
    7,245.50x = 10,869.60 × 2,313.80
  4. Step 4: Simplify right side
    7,245.50x = 25,150,080.48
  5. Step 5: Solve for x
    x = 25,150,080.48/7,245.50
  6. Step 6: Final answer
    x = 3,471.13

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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.