Home / 7,352.86-11,029.47-2,158.90

Finding the Fourth Proportional to 7,352.86, 11,029.47 and 2,158.90

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Solution

The fourth proportional to 7,352.86, 11,029.47 and 2,158.90 is: 3,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.86 : 11,029.47 = 2,158.90 : x
  2. Step 2: Convert to fraction form
    7,352.86/11,029.47 = 2,158.90/x
  3. Step 3: Cross multiply
    7,352.86x = 11,029.47 × 2,158.90
  4. Step 4: Simplify right side
    7,352.86x = 23,811,522.78
  5. Step 5: Solve for x
    x = 23,811,522.78/7,352.86
  6. Step 6: Final answer
    x = 3,238.40

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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.