Home / 6,438.52-8,885.60-3,606.16

Finding the Fourth Proportional to 6,438.52, 8,885.60 and 3,606.16

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Solution

The fourth proportional to 6,438.52, 8,885.60 and 3,606.16 is: 4,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.52 : 8,885.60 = 3,606.16 : x
  2. Step 2: Convert to fraction form
    6,438.52/8,885.60 = 3,606.16/x
  3. Step 3: Cross multiply
    6,438.52x = 8,885.60 × 3,606.16
  4. Step 4: Simplify right side
    6,438.52x = 32,042,895.30
  5. Step 5: Solve for x
    x = 32,042,895.30/6,438.52
  6. Step 6: Final answer
    x = 4,976.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.