Home / 9,134.30-13,697.40-4,205.45

Finding the Fourth Proportional to 9,134.30, 13,697.40 and 4,205.45

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Solution

The fourth proportional to 9,134.30, 13,697.40 and 4,205.45 is: 6,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.30 : 13,697.40 = 4,205.45 : x
  2. Step 2: Convert to fraction form
    9,134.30/13,697.40 = 4,205.45/x
  3. Step 3: Cross multiply
    9,134.30x = 13,697.40 × 4,205.45
  4. Step 4: Simplify right side
    9,134.30x = 57,603,730.83
  5. Step 5: Solve for x
    x = 57,603,730.83/9,134.30
  6. Step 6: Final answer
    x = 6,306.31

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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.