Home / 4,271.26-6,406.66-1,309.70

Finding the Fourth Proportional to 4,271.26, 6,406.66 and 1,309.70

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Solution

The fourth proportional to 4,271.26, 6,406.66 and 1,309.70 is: 1,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.26 : 6,406.66 = 1,309.70 : x
  2. Step 2: Convert to fraction form
    4,271.26/6,406.66 = 1,309.70/x
  3. Step 3: Cross multiply
    4,271.26x = 6,406.66 × 1,309.70
  4. Step 4: Simplify right side
    4,271.26x = 8,390,802.60
  5. Step 5: Solve for x
    x = 8,390,802.60/4,271.26
  6. Step 6: Final answer
    x = 1,964.48

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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.