Home / 7,663.16-11,485.14-3,275.48

Finding the Fourth Proportional to 7,663.16, 11,485.14 and 3,275.48

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Solution

The fourth proportional to 7,663.16, 11,485.14 and 3,275.48 is: 4,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.16 : 11,485.14 = 3,275.48 : x
  2. Step 2: Convert to fraction form
    7,663.16/11,485.14 = 3,275.48/x
  3. Step 3: Cross multiply
    7,663.16x = 11,485.14 × 3,275.48
  4. Step 4: Simplify right side
    7,663.16x = 37,619,346.37
  5. Step 5: Solve for x
    x = 37,619,346.37/7,663.16
  6. Step 6: Final answer
    x = 4,909.12

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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.