Home / 6,789.80-10,163.40-4,669.05

Finding the Fourth Proportional to 6,789.80, 10,163.40 and 4,669.05

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Solution

The fourth proportional to 6,789.80, 10,163.40 and 4,669.05 is: 6,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.80 : 10,163.40 = 4,669.05 : x
  2. Step 2: Convert to fraction form
    6,789.80/10,163.40 = 4,669.05/x
  3. Step 3: Cross multiply
    6,789.80x = 10,163.40 × 4,669.05
  4. Step 4: Simplify right side
    6,789.80x = 47,453,436.51
  5. Step 5: Solve for x
    x = 47,453,436.51/6,789.80
  6. Step 6: Final answer
    x = 6,988.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.