Home / 6,432.37-9,648.28-1,989.85

Finding the Fourth Proportional to 6,432.37, 9,648.28 and 1,989.85

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Solution

The fourth proportional to 6,432.37, 9,648.28 and 1,989.85 is: 2,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.37 : 9,648.28 = 1,989.85 : x
  2. Step 2: Convert to fraction form
    6,432.37/9,648.28 = 1,989.85/x
  3. Step 3: Cross multiply
    6,432.37x = 9,648.28 × 1,989.85
  4. Step 4: Simplify right side
    6,432.37x = 19,198,629.96
  5. Step 5: Solve for x
    x = 19,198,629.96/6,432.37
  6. Step 6: Final answer
    x = 2,984.69

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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.