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Finding the Fourth Proportional to 8,994.52, 12,410.44 and 5,218.32

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Solution

The fourth proportional to 8,994.52, 12,410.44 and 5,218.32 is: 7,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.52 : 12,410.44 = 5,218.32 : x
  2. Step 2: Convert to fraction form
    8,994.52/12,410.44 = 5,218.32/x
  3. Step 3: Cross multiply
    8,994.52x = 12,410.44 × 5,218.32
  4. Step 4: Simplify right side
    8,994.52x = 64,761,647.26
  5. Step 5: Solve for x
    x = 64,761,647.26/8,994.52
  6. Step 6: Final answer
    x = 7,200.12

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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.