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Finding the Fourth Proportional to 6,630.32, 9,946.36 and 5,073.28

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Solution

The fourth proportional to 6,630.32, 9,946.36 and 5,073.28 is: 7,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.32 : 9,946.36 = 5,073.28 : x
  2. Step 2: Convert to fraction form
    6,630.32/9,946.36 = 5,073.28/x
  3. Step 3: Cross multiply
    6,630.32x = 9,946.36 × 5,073.28
  4. Step 4: Simplify right side
    6,630.32x = 50,460,669.26
  5. Step 5: Solve for x
    x = 50,460,669.26/6,630.32
  6. Step 6: Final answer
    x = 7,610.59

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1.5x scale

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.