Home / 4,180.12-6,270.70-1,407.08

Finding the Fourth Proportional to 4,180.12, 6,270.70 and 1,407.08

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Solution

The fourth proportional to 4,180.12, 6,270.70 and 1,407.08 is: 2,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.12 : 6,270.70 = 1,407.08 : x
  2. Step 2: Convert to fraction form
    4,180.12/6,270.70 = 1,407.08/x
  3. Step 3: Cross multiply
    4,180.12x = 6,270.70 × 1,407.08
  4. Step 4: Simplify right side
    4,180.12x = 8,823,376.56
  5. Step 5: Solve for x
    x = 8,823,376.56/4,180.12
  6. Step 6: Final answer
    x = 2,110.80

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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.