Home / 4,076.21-6,113.30-1,407.66

Finding the Fourth Proportional to 4,076.21, 6,113.30 and 1,407.66

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Solution

The fourth proportional to 4,076.21, 6,113.30 and 1,407.66 is: 2,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.21 : 6,113.30 = 1,407.66 : x
  2. Step 2: Convert to fraction form
    4,076.21/6,113.30 = 1,407.66/x
  3. Step 3: Cross multiply
    4,076.21x = 6,113.30 × 1,407.66
  4. Step 4: Simplify right side
    4,076.21x = 8,605,440.84
  5. Step 5: Solve for x
    x = 8,605,440.84/4,076.21
  6. Step 6: Final answer
    x = 2,111.14

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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.