Home / 7,718.49-11,577.60-3,037.77

Finding the Fourth Proportional to 7,718.49, 11,577.60 and 3,037.77

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Solution

The fourth proportional to 7,718.49, 11,577.60 and 3,037.77 is: 4,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.49 : 11,577.60 = 3,037.77 : x
  2. Step 2: Convert to fraction form
    7,718.49/11,577.60 = 3,037.77/x
  3. Step 3: Cross multiply
    7,718.49x = 11,577.60 × 3,037.77
  4. Step 4: Simplify right side
    7,718.49x = 35,170,085.95
  5. Step 5: Solve for x
    x = 35,170,085.95/7,718.49
  6. Step 6: Final answer
    x = 4,556.60

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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.