Home / 4,271.28-6,407.79-1,806.10

Finding the Fourth Proportional to 4,271.28, 6,407.79 and 1,806.10

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Solution

The fourth proportional to 4,271.28, 6,407.79 and 1,806.10 is: 2,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.28 : 6,407.79 = 1,806.10 : x
  2. Step 2: Convert to fraction form
    4,271.28/6,407.79 = 1,806.10/x
  3. Step 3: Cross multiply
    4,271.28x = 6,407.79 × 1,806.10
  4. Step 4: Simplify right side
    4,271.28x = 11,573,088.98
  5. Step 5: Solve for x
    x = 11,573,088.98/4,271.28
  6. Step 6: Final answer
    x = 2,709.51

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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.