Home / 4,271.37-6,407.76-1,309.74

Finding the Fourth Proportional to 4,271.37, 6,407.76 and 1,309.74

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Solution

The fourth proportional to 4,271.37, 6,407.76 and 1,309.74 is: 1,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.37 : 6,407.76 = 1,309.74 : x
  2. Step 2: Convert to fraction form
    4,271.37/6,407.76 = 1,309.74/x
  3. Step 3: Cross multiply
    4,271.37x = 6,407.76 × 1,309.74
  4. Step 4: Simplify right side
    4,271.37x = 8,392,499.58
  5. Step 5: Solve for x
    x = 8,392,499.58/4,271.37
  6. Step 6: Final answer
    x = 1,964.83

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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.