Home / 6,432.37-9,639.79-3,622.55

Finding the Fourth Proportional to 6,432.37, 9,639.79 and 3,622.55

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Solution

The fourth proportional to 6,432.37, 9,639.79 and 3,622.55 is: 5,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.37 : 9,639.79 = 3,622.55 : x
  2. Step 2: Convert to fraction form
    6,432.37/9,639.79 = 3,622.55/x
  3. Step 3: Cross multiply
    6,432.37x = 9,639.79 × 3,622.55
  4. Step 4: Simplify right side
    6,432.37x = 34,920,621.26
  5. Step 5: Solve for x
    x = 34,920,621.26/6,432.37
  6. Step 6: Final answer
    x = 5,428.89

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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.