Home / 4,271.81-6,406.47-2,709.45

Finding the Fourth Proportional to 4,271.81, 6,406.47 and 2,709.45

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Solution

The fourth proportional to 4,271.81, 6,406.47 and 2,709.45 is: 4,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.81 : 6,406.47 = 2,709.45 : x
  2. Step 2: Convert to fraction form
    4,271.81/6,406.47 = 2,709.45/x
  3. Step 3: Cross multiply
    4,271.81x = 6,406.47 × 2,709.45
  4. Step 4: Simplify right side
    4,271.81x = 17,358,010.14
  5. Step 5: Solve for x
    x = 17,358,010.14/4,271.81
  6. Step 6: Final answer
    x = 4,063.39

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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.