Home / 4,271.12-6,407.76-1,806.56

Finding the Fourth Proportional to 4,271.12, 6,407.76 and 1,806.56

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Solution

The fourth proportional to 4,271.12, 6,407.76 and 1,806.56 is: 2,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.12 : 6,407.76 = 1,806.56 : x
  2. Step 2: Convert to fraction form
    4,271.12/6,407.76 = 1,806.56/x
  3. Step 3: Cross multiply
    4,271.12x = 6,407.76 × 1,806.56
  4. Step 4: Simplify right side
    4,271.12x = 11,576,002.91
  5. Step 5: Solve for x
    x = 11,576,002.91/4,271.12
  6. Step 6: Final answer
    x = 2,710.30

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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.