Home / 6,289.31-9,433.97-1,672.31

Finding the Fourth Proportional to 6,289.31, 9,433.97 and 1,672.31

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Solution

The fourth proportional to 6,289.31, 9,433.97 and 1,672.31 is: 2,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.31 : 9,433.97 = 1,672.31 : x
  2. Step 2: Convert to fraction form
    6,289.31/9,433.97 = 1,672.31/x
  3. Step 3: Cross multiply
    6,289.31x = 9,433.97 × 1,672.31
  4. Step 4: Simplify right side
    6,289.31x = 15,776,543.87
  5. Step 5: Solve for x
    x = 15,776,543.87/6,289.31
  6. Step 6: Final answer
    x = 2,508.47

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1.5x scale

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.