Home / 4,180.89-6,272.01-1,407.81

Finding the Fourth Proportional to 4,180.89, 6,272.01 and 1,407.81

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Solution

The fourth proportional to 4,180.89, 6,272.01 and 1,407.81 is: 2,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.89 : 6,272.01 = 1,407.81 : x
  2. Step 2: Convert to fraction form
    4,180.89/6,272.01 = 1,407.81/x
  3. Step 3: Cross multiply
    4,180.89x = 6,272.01 × 1,407.81
  4. Step 4: Simplify right side
    4,180.89x = 8,829,798.40
  5. Step 5: Solve for x
    x = 8,829,798.40/4,180.89
  6. Step 6: Final answer
    x = 2,111.94

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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.