Home / 9,320.04-13,977.11-3,078.90

Finding the Fourth Proportional to 9,320.04, 13,977.11 and 3,078.90

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Solution

The fourth proportional to 9,320.04, 13,977.11 and 3,078.90 is: 4,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.04 : 13,977.11 = 3,078.90 : x
  2. Step 2: Convert to fraction form
    9,320.04/13,977.11 = 3,078.90/x
  3. Step 3: Cross multiply
    9,320.04x = 13,977.11 × 3,078.90
  4. Step 4: Simplify right side
    9,320.04x = 43,034,108.58
  5. Step 5: Solve for x
    x = 43,034,108.58/9,320.04
  6. Step 6: Final answer
    x = 4,617.37

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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.