Home / 6,574.73-9,858.45-2,189.80

Finding the Fourth Proportional to 6,574.73, 9,858.45 and 2,189.80

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Solution

The fourth proportional to 6,574.73, 9,858.45 and 2,189.80 is: 3,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,574.73 : 9,858.45 = 2,189.80 : x
  2. Step 2: Convert to fraction form
    6,574.73/9,858.45 = 2,189.80/x
  3. Step 3: Cross multiply
    6,574.73x = 9,858.45 × 2,189.80
  4. Step 4: Simplify right side
    6,574.73x = 21,588,009.16
  5. Step 5: Solve for x
    x = 21,588,009.16/6,574.73
  6. Step 6: Final answer
    x = 3,283.48

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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.