Home / 5,299.63-7,313.49-3,203.75

Finding the Fourth Proportional to 5,299.63, 7,313.49 and 3,203.75

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Solution

The fourth proportional to 5,299.63, 7,313.49 and 3,203.75 is: 4,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.63 : 7,313.49 = 3,203.75 : x
  2. Step 2: Convert to fraction form
    5,299.63/7,313.49 = 3,203.75/x
  3. Step 3: Cross multiply
    5,299.63x = 7,313.49 × 3,203.75
  4. Step 4: Simplify right side
    5,299.63x = 23,430,577.57
  5. Step 5: Solve for x
    x = 23,430,577.57/5,299.63
  6. Step 6: Final answer
    x = 4,421.18

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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.