Home / 7,603.20-11,405.52-3,159.93

Finding the Fourth Proportional to 7,603.20, 11,405.52 and 3,159.93

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Solution

The fourth proportional to 7,603.20, 11,405.52 and 3,159.93 is: 4,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.20 : 11,405.52 = 3,159.93 : x
  2. Step 2: Convert to fraction form
    7,603.20/11,405.52 = 3,159.93/x
  3. Step 3: Cross multiply
    7,603.20x = 11,405.52 × 3,159.93
  4. Step 4: Simplify right side
    7,603.20x = 36,040,644.81
  5. Step 5: Solve for x
    x = 36,040,644.81/7,603.20
  6. Step 6: Final answer
    x = 4,740.19

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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.