Home / 4,038.12-6,057.86-1,405.82

Finding the Fourth Proportional to 4,038.12, 6,057.86 and 1,405.82

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Solution

The fourth proportional to 4,038.12, 6,057.86 and 1,405.82 is: 2,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.12 : 6,057.86 = 1,405.82 : x
  2. Step 2: Convert to fraction form
    4,038.12/6,057.86 = 1,405.82/x
  3. Step 3: Cross multiply
    4,038.12x = 6,057.86 × 1,405.82
  4. Step 4: Simplify right side
    4,038.12x = 8,516,260.75
  5. Step 5: Solve for x
    x = 8,516,260.75/4,038.12
  6. Step 6: Final answer
    x = 2,108.97

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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.