Home / 7,819.88-10,796.10-6,945.08

Finding the Fourth Proportional to 7,819.88, 10,796.10 and 6,945.08

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Solution

The fourth proportional to 7,819.88, 10,796.10 and 6,945.08 is: 9,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.88 : 10,796.10 = 6,945.08 : x
  2. Step 2: Convert to fraction form
    7,819.88/10,796.10 = 6,945.08/x
  3. Step 3: Cross multiply
    7,819.88x = 10,796.10 × 6,945.08
  4. Step 4: Simplify right side
    7,819.88x = 74,979,778.19
  5. Step 5: Solve for x
    x = 74,979,778.19/7,819.88
  6. Step 6: Final answer
    x = 9,588.35

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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.