Home / 6,436.60-8,883.06-3,604.60

Finding the Fourth Proportional to 6,436.60, 8,883.06 and 3,604.60

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Solution

The fourth proportional to 6,436.60, 8,883.06 and 3,604.60 is: 4,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.60 : 8,883.06 = 3,604.60 : x
  2. Step 2: Convert to fraction form
    6,436.60/8,883.06 = 3,604.60/x
  3. Step 3: Cross multiply
    6,436.60x = 8,883.06 × 3,604.60
  4. Step 4: Simplify right side
    6,436.60x = 32,019,878.08
  5. Step 5: Solve for x
    x = 32,019,878.08/6,436.60
  6. Step 6: Final answer
    x = 4,974.66

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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.