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Finding the Fourth Proportional to 7,026.67, 9,701.36 and 4,375.15

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Solution

The fourth proportional to 7,026.67, 9,701.36 and 4,375.15 is: 6,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026.67 : 9,701.36 = 4,375.15 : x
  2. Step 2: Convert to fraction form
    7,026.67/9,701.36 = 4,375.15/x
  3. Step 3: Cross multiply
    7,026.67x = 9,701.36 × 4,375.15
  4. Step 4: Simplify right side
    7,026.67x = 42,444,905.20
  5. Step 5: Solve for x
    x = 42,444,905.20/7,026.67
  6. Step 6: Final answer
    x = 6,040.54

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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.