Home / 5,124.35-7,687.76-1,792.10

Finding the Fourth Proportional to 5,124.35, 7,687.76 and 1,792.10

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Solution

The fourth proportional to 5,124.35, 7,687.76 and 1,792.10 is: 2,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.35 : 7,687.76 = 1,792.10 : x
  2. Step 2: Convert to fraction form
    5,124.35/7,687.76 = 1,792.10/x
  3. Step 3: Cross multiply
    5,124.35x = 7,687.76 × 1,792.10
  4. Step 4: Simplify right side
    5,124.35x = 13,777,187.30
  5. Step 5: Solve for x
    x = 13,777,187.30/5,124.35
  6. Step 6: Final answer
    x = 2,688.58

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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.