Home / 6,431.90-9,648.45-2,271.47

Finding the Fourth Proportional to 6,431.90, 9,648.45 and 2,271.47

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Solution

The fourth proportional to 6,431.90, 9,648.45 and 2,271.47 is: 3,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.90 : 9,648.45 = 2,271.47 : x
  2. Step 2: Convert to fraction form
    6,431.90/9,648.45 = 2,271.47/x
  3. Step 3: Cross multiply
    6,431.90x = 9,648.45 × 2,271.47
  4. Step 4: Simplify right side
    6,431.90x = 21,916,116.48
  5. Step 5: Solve for x
    x = 21,916,116.48/6,431.90
  6. Step 6: Final answer
    x = 3,407.41

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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.