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Finding the Fourth Proportional to 6,304.56, 8,699.40 and 3,579

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Solution

The fourth proportional to 6,304.56, 8,699.40 and 3,579 is: 4,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,304.56 : 8,699.40 = 3,579 : x
  2. Step 2: Convert to fraction form
    6,304.56/8,699.40 = 3,579/x
  3. Step 3: Cross multiply
    6,304.56x = 8,699.40 × 3,579
  4. Step 4: Simplify right side
    6,304.56x = 31,135,152.60
  5. Step 5: Solve for x
    x = 31,135,152.60/6,304.56
  6. Step 6: Final answer
    x = 4,938.51

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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.