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Finding the Fourth Proportional to 6,663.58, 9,995.01 and 1,983.63

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Solution

The fourth proportional to 6,663.58, 9,995.01 and 1,983.63 is: 2,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.58 : 9,995.01 = 1,983.63 : x
  2. Step 2: Convert to fraction form
    6,663.58/9,995.01 = 1,983.63/x
  3. Step 3: Cross multiply
    6,663.58x = 9,995.01 × 1,983.63
  4. Step 4: Simplify right side
    6,663.58x = 19,826,401.69
  5. Step 5: Solve for x
    x = 19,826,401.69/6,663.58
  6. Step 6: Final answer
    x = 2,975.34

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Similar ratio
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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.