Home / 8,121.36-11,207.52-4,585.44

Finding the Fourth Proportional to 8,121.36, 11,207.52 and 4,585.44

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Solution

The fourth proportional to 8,121.36, 11,207.52 and 4,585.44 is: 6,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.36 : 11,207.52 = 4,585.44 : x
  2. Step 2: Convert to fraction form
    8,121.36/11,207.52 = 4,585.44/x
  3. Step 3: Cross multiply
    8,121.36x = 11,207.52 × 4,585.44
  4. Step 4: Simplify right side
    8,121.36x = 51,391,410.51
  5. Step 5: Solve for x
    x = 51,391,410.51/8,121.36
  6. Step 6: Final answer
    x = 6,327.93

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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.