Home / 6,434.09-9,648.05-3,143.33

Finding the Fourth Proportional to 6,434.09, 9,648.05 and 3,143.33

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Solution

The fourth proportional to 6,434.09, 9,648.05 and 3,143.33 is: 4,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.09 : 9,648.05 = 3,143.33 : x
  2. Step 2: Convert to fraction form
    6,434.09/9,648.05 = 3,143.33/x
  3. Step 3: Cross multiply
    6,434.09x = 9,648.05 × 3,143.33
  4. Step 4: Simplify right side
    6,434.09x = 30,326,941.05
  5. Step 5: Solve for x
    x = 30,326,941.05/6,434.09
  6. Step 6: Final answer
    x = 4,713.48

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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.