Home / 4,271.49-6,412.64-2,979.81

Finding the Fourth Proportional to 4,271.49, 6,412.64 and 2,979.81

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Solution

The fourth proportional to 4,271.49, 6,412.64 and 2,979.81 is: 4,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.49 : 6,412.64 = 2,979.81 : x
  2. Step 2: Convert to fraction form
    4,271.49/6,412.64 = 2,979.81/x
  3. Step 3: Cross multiply
    4,271.49x = 6,412.64 × 2,979.81
  4. Step 4: Simplify right side
    4,271.49x = 19,108,433.90
  5. Step 5: Solve for x
    x = 19,108,433.90/4,271.49
  6. Step 6: Final answer
    x = 4,473.48

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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.