Home / 4,271.46-6,406.38-1,808

Finding the Fourth Proportional to 4,271.46, 6,406.38 and 1,808

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Solution

The fourth proportional to 4,271.46, 6,406.38 and 1,808 is: 2,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.46 : 6,406.38 = 1,808 : x
  2. Step 2: Convert to fraction form
    4,271.46/6,406.38 = 1,808/x
  3. Step 3: Cross multiply
    4,271.46x = 6,406.38 × 1,808
  4. Step 4: Simplify right side
    4,271.46x = 11,582,735.04
  5. Step 5: Solve for x
    x = 11,582,735.04/4,271.46
  6. Step 6: Final answer
    x = 2,711.66

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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.