Home / 4,684.36-7,026.07-1,221.61

Finding the Fourth Proportional to 4,684.36, 7,026.07 and 1,221.61

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Solution

The fourth proportional to 4,684.36, 7,026.07 and 1,221.61 is: 1,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.36 : 7,026.07 = 1,221.61 : x
  2. Step 2: Convert to fraction form
    4,684.36/7,026.07 = 1,221.61/x
  3. Step 3: Cross multiply
    4,684.36x = 7,026.07 × 1,221.61
  4. Step 4: Simplify right side
    4,684.36x = 8,583,117.37
  5. Step 5: Solve for x
    x = 8,583,117.37/4,684.36
  6. Step 6: Final answer
    x = 1,832.29

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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.