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Finding the Fourth Proportional to 6,888.57, 10,333.32 and 1,958.59

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Solution

The fourth proportional to 6,888.57, 10,333.32 and 1,958.59 is: 2,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.57 : 10,333.32 = 1,958.59 : x
  2. Step 2: Convert to fraction form
    6,888.57/10,333.32 = 1,958.59/x
  3. Step 3: Cross multiply
    6,888.57x = 10,333.32 × 1,958.59
  4. Step 4: Simplify right side
    6,888.57x = 20,238,737.22
  5. Step 5: Solve for x
    x = 20,238,737.22/6,888.57
  6. Step 6: Final answer
    x = 2,938.02

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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.