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Finding the Fourth Proportional to 6,284.70, 9,430.02 and 4,205.70

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Solution

The fourth proportional to 6,284.70, 9,430.02 and 4,205.70 is: 6,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.70 : 9,430.02 = 4,205.70 : x
  2. Step 2: Convert to fraction form
    6,284.70/9,430.02 = 4,205.70/x
  3. Step 3: Cross multiply
    6,284.70x = 9,430.02 × 4,205.70
  4. Step 4: Simplify right side
    6,284.70x = 39,659,835.11
  5. Step 5: Solve for x
    x = 39,659,835.11/6,284.70
  6. Step 6: Final answer
    x = 6,310.54

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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.