Home / 5,654.51-7,803.44-3,136.62

Finding the Fourth Proportional to 5,654.51, 7,803.44 and 3,136.62

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Solution

The fourth proportional to 5,654.51, 7,803.44 and 3,136.62 is: 4,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.51 : 7,803.44 = 3,136.62 : x
  2. Step 2: Convert to fraction form
    5,654.51/7,803.44 = 3,136.62/x
  3. Step 3: Cross multiply
    5,654.51x = 7,803.44 × 3,136.62
  4. Step 4: Simplify right side
    5,654.51x = 24,476,425.97
  5. Step 5: Solve for x
    x = 24,476,425.97/5,654.51
  6. Step 6: Final answer
    x = 4,328.66

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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.