Home / 4,271.23-6,404.92-1,804.78

Finding the Fourth Proportional to 4,271.23, 6,404.92 and 1,804.78

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Solution

The fourth proportional to 4,271.23, 6,404.92 and 1,804.78 is: 2,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.23 : 6,404.92 = 1,804.78 : x
  2. Step 2: Convert to fraction form
    4,271.23/6,404.92 = 1,804.78/x
  3. Step 3: Cross multiply
    4,271.23x = 6,404.92 × 1,804.78
  4. Step 4: Simplify right side
    4,271.23x = 11,559,430.47
  5. Step 5: Solve for x
    x = 11,559,430.47/4,271.23
  6. Step 6: Final answer
    x = 2,706.35

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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.