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Finding the Fourth Proportional to 7,019, 10,526.42 and 3,317.56

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Solution

The fourth proportional to 7,019, 10,526.42 and 3,317.56 is: 4,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019 : 10,526.42 = 3,317.56 : x
  2. Step 2: Convert to fraction form
    7,019/10,526.42 = 3,317.56/x
  3. Step 3: Cross multiply
    7,019x = 10,526.42 × 3,317.56
  4. Step 4: Simplify right side
    7,019x = 34,922,029.94
  5. Step 5: Solve for x
    x = 34,922,029.94/7,019
  6. Step 6: Final answer
    x = 4,975.36

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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.