Home / 7,603.20-11,397.24-2,405.16

Finding the Fourth Proportional to 7,603.20, 11,397.24 and 2,405.16

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Solution

The fourth proportional to 7,603.20, 11,397.24 and 2,405.16 is: 3,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.20 : 11,397.24 = 2,405.16 : x
  2. Step 2: Convert to fraction form
    7,603.20/11,397.24 = 2,405.16/x
  3. Step 3: Cross multiply
    7,603.20x = 11,397.24 × 2,405.16
  4. Step 4: Simplify right side
    7,603.20x = 27,412,185.76
  5. Step 5: Solve for x
    x = 27,412,185.76/7,603.20
  6. Step 6: Final answer
    x = 3,605.35

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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.