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Finding the Fourth Proportional to 6,381.04, 8,802.84 and 4,026.64

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Solution

The fourth proportional to 6,381.04, 8,802.84 and 4,026.64 is: 5,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.04 : 8,802.84 = 4,026.64 : x
  2. Step 2: Convert to fraction form
    6,381.04/8,802.84 = 4,026.64/x
  3. Step 3: Cross multiply
    6,381.04x = 8,802.84 × 4,026.64
  4. Step 4: Simplify right side
    6,381.04x = 35,445,867.66
  5. Step 5: Solve for x
    x = 35,445,867.66/6,381.04
  6. Step 6: Final answer
    x = 5,554.87

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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.