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Finding the Fourth Proportional to 8,692.41, 11,994.62 and 5,335.36

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Solution

The fourth proportional to 8,692.41, 11,994.62 and 5,335.36 is: 7,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.41 : 11,994.62 = 5,335.36 : x
  2. Step 2: Convert to fraction form
    8,692.41/11,994.62 = 5,335.36/x
  3. Step 3: Cross multiply
    8,692.41x = 11,994.62 × 5,335.36
  4. Step 4: Simplify right side
    8,692.41x = 63,995,615.76
  5. Step 5: Solve for x
    x = 63,995,615.76/8,692.41
  6. Step 6: Final answer
    x = 7,362.24

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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.