Home / 5,143.99-7,715.01-2,508.85

Finding the Fourth Proportional to 5,143.99, 7,715.01 and 2,508.85

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Solution

The fourth proportional to 5,143.99, 7,715.01 and 2,508.85 is: 3,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.99 : 7,715.01 = 2,508.85 : x
  2. Step 2: Convert to fraction form
    5,143.99/7,715.01 = 2,508.85/x
  3. Step 3: Cross multiply
    5,143.99x = 7,715.01 × 2,508.85
  4. Step 4: Simplify right side
    5,143.99x = 19,355,802.84
  5. Step 5: Solve for x
    x = 19,355,802.84/5,143.99
  6. Step 6: Final answer
    x = 3,762.80

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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.