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Finding the Fourth Proportional to 8,889.90, 13,334.10 and 3,046.32

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Solution

The fourth proportional to 8,889.90, 13,334.10 and 3,046.32 is: 4,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.90 : 13,334.10 = 3,046.32 : x
  2. Step 2: Convert to fraction form
    8,889.90/13,334.10 = 3,046.32/x
  3. Step 3: Cross multiply
    8,889.90x = 13,334.10 × 3,046.32
  4. Step 4: Simplify right side
    8,889.90x = 40,619,935.51
  5. Step 5: Solve for x
    x = 40,619,935.51/8,889.90
  6. Step 6: Final answer
    x = 4,569.22

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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.