Home / 5,299.60-7,312.68-3,203.92

Finding the Fourth Proportional to 5,299.60, 7,312.68 and 3,203.92

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Solution

The fourth proportional to 5,299.60, 7,312.68 and 3,203.92 is: 4,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.60 : 7,312.68 = 3,203.92 : x
  2. Step 2: Convert to fraction form
    5,299.60/7,312.68 = 3,203.92/x
  3. Step 3: Cross multiply
    5,299.60x = 7,312.68 × 3,203.92
  4. Step 4: Simplify right side
    5,299.60x = 23,429,241.71
  5. Step 5: Solve for x
    x = 23,429,241.71/5,299.60
  6. Step 6: Final answer
    x = 4,420.95

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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.