Home / 7,762.28-11,635.38-3,080.36

Finding the Fourth Proportional to 7,762.28, 11,635.38 and 3,080.36

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Solution

The fourth proportional to 7,762.28, 11,635.38 and 3,080.36 is: 4,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.28 : 11,635.38 = 3,080.36 : x
  2. Step 2: Convert to fraction form
    7,762.28/11,635.38 = 3,080.36/x
  3. Step 3: Cross multiply
    7,762.28x = 11,635.38 × 3,080.36
  4. Step 4: Simplify right side
    7,762.28x = 35,841,159.14
  5. Step 5: Solve for x
    x = 35,841,159.14/7,762.28
  6. Step 6: Final answer
    x = 4,617.35

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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.