Home / 6,548.40-9,821.19-2,164.86

Finding the Fourth Proportional to 6,548.40, 9,821.19 and 2,164.86

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Solution

The fourth proportional to 6,548.40, 9,821.19 and 2,164.86 is: 3,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,548.40 : 9,821.19 = 2,164.86 : x
  2. Step 2: Convert to fraction form
    6,548.40/9,821.19 = 2,164.86/x
  3. Step 3: Cross multiply
    6,548.40x = 9,821.19 × 2,164.86
  4. Step 4: Simplify right side
    6,548.40x = 21,261,501.38
  5. Step 5: Solve for x
    x = 21,261,501.38/6,548.40
  6. Step 6: Final answer
    x = 3,246.82

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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.