Home / 7,512.94-11,265.98-3,127.78

Finding the Fourth Proportional to 7,512.94, 11,265.98 and 3,127.78

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Solution

The fourth proportional to 7,512.94, 11,265.98 and 3,127.78 is: 4,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.94 : 11,265.98 = 3,127.78 : x
  2. Step 2: Convert to fraction form
    7,512.94/11,265.98 = 3,127.78/x
  3. Step 3: Cross multiply
    7,512.94x = 11,265.98 × 3,127.78
  4. Step 4: Simplify right side
    7,512.94x = 35,237,506.92
  5. Step 5: Solve for x
    x = 35,237,506.92/7,512.94
  6. Step 6: Final answer
    x = 4,690.24

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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.