Home / 6,443.40-9,667.80-4,814.09

Finding the Fourth Proportional to 6,443.40, 9,667.80 and 4,814.09

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Solution

The fourth proportional to 6,443.40, 9,667.80 and 4,814.09 is: 7,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.40 : 9,667.80 = 4,814.09 : x
  2. Step 2: Convert to fraction form
    6,443.40/9,667.80 = 4,814.09/x
  3. Step 3: Cross multiply
    6,443.40x = 9,667.80 × 4,814.09
  4. Step 4: Simplify right side
    6,443.40x = 46,541,659.30
  5. Step 5: Solve for x
    x = 46,541,659.30/6,443.40
  6. Step 6: Final answer
    x = 7,223.15

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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.