Home / 7,315.72-10,971.62-2,050.43

Finding the Fourth Proportional to 7,315.72, 10,971.62 and 2,050.43

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Solution

The fourth proportional to 7,315.72, 10,971.62 and 2,050.43 is: 3,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.72 : 10,971.62 = 2,050.43 : x
  2. Step 2: Convert to fraction form
    7,315.72/10,971.62 = 2,050.43/x
  3. Step 3: Cross multiply
    7,315.72x = 10,971.62 × 2,050.43
  4. Step 4: Simplify right side
    7,315.72x = 22,496,528.54
  5. Step 5: Solve for x
    x = 22,496,528.54/7,315.72
  6. Step 6: Final answer
    x = 3,075.10

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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.