Home / 6,439.03-8,883.78-3,605.98

Finding the Fourth Proportional to 6,439.03, 8,883.78 and 3,605.98

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Solution

The fourth proportional to 6,439.03, 8,883.78 and 3,605.98 is: 4,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.03 : 8,883.78 = 3,605.98 : x
  2. Step 2: Convert to fraction form
    6,439.03/8,883.78 = 3,605.98/x
  3. Step 3: Cross multiply
    6,439.03x = 8,883.78 × 3,605.98
  4. Step 4: Simplify right side
    6,439.03x = 32,034,733.00
  5. Step 5: Solve for x
    x = 32,034,733.00/6,439.03
  6. Step 6: Final answer
    x = 4,975.09

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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.