Home / 5,654.49-7,803.59-3,136.84

Finding the Fourth Proportional to 5,654.49, 7,803.59 and 3,136.84

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Solution

The fourth proportional to 5,654.49, 7,803.59 and 3,136.84 is: 4,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.49 : 7,803.59 = 3,136.84 : x
  2. Step 2: Convert to fraction form
    5,654.49/7,803.59 = 3,136.84/x
  3. Step 3: Cross multiply
    5,654.49x = 7,803.59 × 3,136.84
  4. Step 4: Simplify right side
    5,654.49x = 24,478,613.26
  5. Step 5: Solve for x
    x = 24,478,613.26/5,654.49
  6. Step 6: Final answer
    x = 4,329.06

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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.