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Finding the Fourth Proportional to 5,606.64, 7,735.34 and 3,248.32

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Solution

The fourth proportional to 5,606.64, 7,735.34 and 3,248.32 is: 4,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.64 : 7,735.34 = 3,248.32 : x
  2. Step 2: Convert to fraction form
    5,606.64/7,735.34 = 3,248.32/x
  3. Step 3: Cross multiply
    5,606.64x = 7,735.34 × 3,248.32
  4. Step 4: Simplify right side
    5,606.64x = 25,126,859.63
  5. Step 5: Solve for x
    x = 25,126,859.63/5,606.64
  6. Step 6: Final answer
    x = 4,481.63

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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.