Home / 4,180.91-6,271.61-1,407.35

Finding the Fourth Proportional to 4,180.91, 6,271.61 and 1,407.35

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Solution

The fourth proportional to 4,180.91, 6,271.61 and 1,407.35 is: 2,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.91 : 6,271.61 = 1,407.35 : x
  2. Step 2: Convert to fraction form
    4,180.91/6,271.61 = 1,407.35/x
  3. Step 3: Cross multiply
    4,180.91x = 6,271.61 × 1,407.35
  4. Step 4: Simplify right side
    4,180.91x = 8,826,318.98
  5. Step 5: Solve for x
    x = 8,826,318.98/4,180.91
  6. Step 6: Final answer
    x = 2,111.10

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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.