Home / 5,289.68-7,299.73-2,931.82

Finding the Fourth Proportional to 5,289.68, 7,299.73 and 2,931.82

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Solution

The fourth proportional to 5,289.68, 7,299.73 and 2,931.82 is: 4,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.68 : 7,299.73 = 2,931.82 : x
  2. Step 2: Convert to fraction form
    5,289.68/7,299.73 = 2,931.82/x
  3. Step 3: Cross multiply
    5,289.68x = 7,299.73 × 2,931.82
  4. Step 4: Simplify right side
    5,289.68x = 21,401,494.41
  5. Step 5: Solve for x
    x = 21,401,494.41/5,289.68
  6. Step 6: Final answer
    x = 4,045.90

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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.