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Finding the Fourth Proportional to 6,715.97, 10,070.49 and 3,015.03

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Solution

The fourth proportional to 6,715.97, 10,070.49 and 3,015.03 is: 4,520.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.97 : 10,070.49 = 3,015.03 : x
  2. Step 2: Convert to fraction form
    6,715.97/10,070.49 = 3,015.03/x
  3. Step 3: Cross multiply
    6,715.97x = 10,070.49 × 3,015.03
  4. Step 4: Simplify right side
    6,715.97x = 30,362,829.46
  5. Step 5: Solve for x
    x = 30,362,829.46/6,715.97
  6. Step 6: Final answer
    x = 4,520.99

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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.