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Finding the Fourth Proportional to 7,969.35, 12,000.36 and 5,903.99

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Solution

The fourth proportional to 7,969.35, 12,000.36 and 5,903.99 is: 8,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.35 : 12,000.36 = 5,903.99 : x
  2. Step 2: Convert to fraction form
    7,969.35/12,000.36 = 5,903.99/x
  3. Step 3: Cross multiply
    7,969.35x = 12,000.36 × 5,903.99
  4. Step 4: Simplify right side
    7,969.35x = 70,849,945.43
  5. Step 5: Solve for x
    x = 70,849,945.43/7,969.35
  6. Step 6: Final answer
    x = 8,890.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.