Home / 5,106.77-7,661.24-1,775.12

Finding the Fourth Proportional to 5,106.77, 7,661.24 and 1,775.12

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Solution

The fourth proportional to 5,106.77, 7,661.24 and 1,775.12 is: 2,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.77 : 7,661.24 = 1,775.12 : x
  2. Step 2: Convert to fraction form
    5,106.77/7,661.24 = 1,775.12/x
  3. Step 3: Cross multiply
    5,106.77x = 7,661.24 × 1,775.12
  4. Step 4: Simplify right side
    5,106.77x = 13,599,573.17
  5. Step 5: Solve for x
    x = 13,599,573.17/5,106.77
  6. Step 6: Final answer
    x = 2,663.05

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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.