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Finding the Fourth Proportional to 7,608.33, 10,493.04 and 6,419.15

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Solution

The fourth proportional to 7,608.33, 10,493.04 and 6,419.15 is: 8,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.33 : 10,493.04 = 6,419.15 : x
  2. Step 2: Convert to fraction form
    7,608.33/10,493.04 = 6,419.15/x
  3. Step 3: Cross multiply
    7,608.33x = 10,493.04 × 6,419.15
  4. Step 4: Simplify right side
    7,608.33x = 67,356,408.67
  5. Step 5: Solve for x
    x = 67,356,408.67/7,608.33
  6. Step 6: Final answer
    x = 8,852.98

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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.