Home / 7,245.24-10,869.30-3,085.20

Finding the Fourth Proportional to 7,245.24, 10,869.30 and 3,085.20

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Solution

The fourth proportional to 7,245.24, 10,869.30 and 3,085.20 is: 4,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.24 : 10,869.30 = 3,085.20 : x
  2. Step 2: Convert to fraction form
    7,245.24/10,869.30 = 3,085.20/x
  3. Step 3: Cross multiply
    7,245.24x = 10,869.30 × 3,085.20
  4. Step 4: Simplify right side
    7,245.24x = 33,533,964.36
  5. Step 5: Solve for x
    x = 33,533,964.36/7,245.24
  6. Step 6: Final answer
    x = 4,628.41

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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.