Home / 7,242.80-10,861.63-3,083.18

Finding the Fourth Proportional to 7,242.80, 10,861.63 and 3,083.18

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Solution

The fourth proportional to 7,242.80, 10,861.63 and 3,083.18 is: 4,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.80 : 10,861.63 = 3,083.18 : x
  2. Step 2: Convert to fraction form
    7,242.80/10,861.63 = 3,083.18/x
  3. Step 3: Cross multiply
    7,242.80x = 10,861.63 × 3,083.18
  4. Step 4: Simplify right side
    7,242.80x = 33,488,298.37
  5. Step 5: Solve for x
    x = 33,488,298.37/7,242.80
  6. Step 6: Final answer
    x = 4,623.67

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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.