Home / 4,407.16-6,610.91-1,120.33

Finding the Fourth Proportional to 4,407.16, 6,610.91 and 1,120.33

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Solution

The fourth proportional to 4,407.16, 6,610.91 and 1,120.33 is: 1,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.16 : 6,610.91 = 1,120.33 : x
  2. Step 2: Convert to fraction form
    4,407.16/6,610.91 = 1,120.33/x
  3. Step 3: Cross multiply
    4,407.16x = 6,610.91 × 1,120.33
  4. Step 4: Simplify right side
    4,407.16x = 7,406,400.80
  5. Step 5: Solve for x
    x = 7,406,400.80/4,407.16
  6. Step 6: Final answer
    x = 1,680.54

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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.