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Finding the Fourth Proportional to 6,528.26, 9,009.26 and 3,695.76

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Solution

The fourth proportional to 6,528.26, 9,009.26 and 3,695.76 is: 5,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.26 : 9,009.26 = 3,695.76 : x
  2. Step 2: Convert to fraction form
    6,528.26/9,009.26 = 3,695.76/x
  3. Step 3: Cross multiply
    6,528.26x = 9,009.26 × 3,695.76
  4. Step 4: Simplify right side
    6,528.26x = 33,296,058.12
  5. Step 5: Solve for x
    x = 33,296,058.12/6,528.26
  6. Step 6: Final answer
    x = 5,100.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.