Home / 6,811.80-9,406.43-4,298.37

Finding the Fourth Proportional to 6,811.80, 9,406.43 and 4,298.37

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Solution

The fourth proportional to 6,811.80, 9,406.43 and 4,298.37 is: 5,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.80 : 9,406.43 = 4,298.37 : x
  2. Step 2: Convert to fraction form
    6,811.80/9,406.43 = 4,298.37/x
  3. Step 3: Cross multiply
    6,811.80x = 9,406.43 × 4,298.37
  4. Step 4: Simplify right side
    6,811.80x = 40,432,316.52
  5. Step 5: Solve for x
    x = 40,432,316.52/6,811.80
  6. Step 6: Final answer
    x = 5,935.63

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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.