Home / 7,423.53-11,136.65-2,493.20

Finding the Fourth Proportional to 7,423.53, 11,136.65 and 2,493.20

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Solution

The fourth proportional to 7,423.53, 11,136.65 and 2,493.20 is: 3,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.53 : 11,136.65 = 2,493.20 : x
  2. Step 2: Convert to fraction form
    7,423.53/11,136.65 = 2,493.20/x
  3. Step 3: Cross multiply
    7,423.53x = 11,136.65 × 2,493.20
  4. Step 4: Simplify right side
    7,423.53x = 27,765,827.63
  5. Step 5: Solve for x
    x = 27,765,827.63/7,423.53
  6. Step 6: Final answer
    x = 3,740.25

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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.