Home / 7,431.67-10,249.79-6,316.30

Finding the Fourth Proportional to 7,431.67, 10,249.79 and 6,316.30

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Solution

The fourth proportional to 7,431.67, 10,249.79 and 6,316.30 is: 8,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.67 : 10,249.79 = 6,316.30 : x
  2. Step 2: Convert to fraction form
    7,431.67/10,249.79 = 6,316.30/x
  3. Step 3: Cross multiply
    7,431.67x = 10,249.79 × 6,316.30
  4. Step 4: Simplify right side
    7,431.67x = 64,740,748.58
  5. Step 5: Solve for x
    x = 64,740,748.58/7,431.67
  6. Step 6: Final answer
    x = 8,711.47

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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.