Home / 4,812.35-7,217.64-1,302.62

Finding the Fourth Proportional to 4,812.35, 7,217.64 and 1,302.62

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Solution

The fourth proportional to 4,812.35, 7,217.64 and 1,302.62 is: 1,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.35 : 7,217.64 = 1,302.62 : x
  2. Step 2: Convert to fraction form
    4,812.35/7,217.64 = 1,302.62/x
  3. Step 3: Cross multiply
    4,812.35x = 7,217.64 × 1,302.62
  4. Step 4: Simplify right side
    4,812.35x = 9,401,806.13
  5. Step 5: Solve for x
    x = 9,401,806.13/4,812.35
  6. Step 6: Final answer
    x = 1,953.68

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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.