Home / 5,144.36-7,716.49-1,248.77

Finding the Fourth Proportional to 5,144.36, 7,716.49 and 1,248.77

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Solution

The fourth proportional to 5,144.36, 7,716.49 and 1,248.77 is: 1,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.36 : 7,716.49 = 1,248.77 : x
  2. Step 2: Convert to fraction form
    5,144.36/7,716.49 = 1,248.77/x
  3. Step 3: Cross multiply
    5,144.36x = 7,716.49 × 1,248.77
  4. Step 4: Simplify right side
    5,144.36x = 9,636,095.68
  5. Step 5: Solve for x
    x = 9,636,095.68/5,144.36
  6. Step 6: Final answer
    x = 1,873.14

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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.