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Finding the Fourth Proportional to 7,104.33, 9,808.19 and 6,316.20

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Solution

The fourth proportional to 7,104.33, 9,808.19 and 6,316.20 is: 8,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.33 : 9,808.19 = 6,316.20 : x
  2. Step 2: Convert to fraction form
    7,104.33/9,808.19 = 6,316.20/x
  3. Step 3: Cross multiply
    7,104.33x = 9,808.19 × 6,316.20
  4. Step 4: Simplify right side
    7,104.33x = 61,950,458.10
  5. Step 5: Solve for x
    x = 61,950,458.10/7,104.33
  6. Step 6: Final answer
    x = 8,720.10

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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.