Home / 5,136.84-7,705.28-1,241.24

Finding the Fourth Proportional to 5,136.84, 7,705.28 and 1,241.24

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Solution

The fourth proportional to 5,136.84, 7,705.28 and 1,241.24 is: 1,861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.84 : 7,705.28 = 1,241.24 : x
  2. Step 2: Convert to fraction form
    5,136.84/7,705.28 = 1,241.24/x
  3. Step 3: Cross multiply
    5,136.84x = 7,705.28 × 1,241.24
  4. Step 4: Simplify right side
    5,136.84x = 9,564,101.75
  5. Step 5: Solve for x
    x = 9,564,101.75/5,136.84
  6. Step 6: Final answer
    x = 1,861.86

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1.5x scale

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.