Home / 5,654.66-7,802.96-3,136.55

Finding the Fourth Proportional to 5,654.66, 7,802.96 and 3,136.55

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Solution

The fourth proportional to 5,654.66, 7,802.96 and 3,136.55 is: 4,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.66 : 7,802.96 = 3,136.55 : x
  2. Step 2: Convert to fraction form
    5,654.66/7,802.96 = 3,136.55/x
  3. Step 3: Cross multiply
    5,654.66x = 7,802.96 × 3,136.55
  4. Step 4: Simplify right side
    5,654.66x = 24,474,319.49
  5. Step 5: Solve for x
    x = 24,474,319.49/5,654.66
  6. Step 6: Final answer
    x = 4,328.17

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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.