Home / 4,407.29-6,610.72-1,120.44

Finding the Fourth Proportional to 4,407.29, 6,610.72 and 1,120.44

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Solution

The fourth proportional to 4,407.29, 6,610.72 and 1,120.44 is: 1,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.29 : 6,610.72 = 1,120.44 : x
  2. Step 2: Convert to fraction form
    4,407.29/6,610.72 = 1,120.44/x
  3. Step 3: Cross multiply
    4,407.29x = 6,610.72 × 1,120.44
  4. Step 4: Simplify right side
    4,407.29x = 7,406,915.12
  5. Step 5: Solve for x
    x = 7,406,915.12/4,407.29
  6. Step 6: Final answer
    x = 1,680.61

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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.