Home / 9,071.19-13,603.91-2,913.75

Finding the Fourth Proportional to 9,071.19, 13,603.91 and 2,913.75

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Solution

The fourth proportional to 9,071.19, 13,603.91 and 2,913.75 is: 4,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.19 : 13,603.91 = 2,913.75 : x
  2. Step 2: Convert to fraction form
    9,071.19/13,603.91 = 2,913.75/x
  3. Step 3: Cross multiply
    9,071.19x = 13,603.91 × 2,913.75
  4. Step 4: Simplify right side
    9,071.19x = 39,638,378.19
  5. Step 5: Solve for x
    x = 39,638,378.19/9,071.19
  6. Step 6: Final answer
    x = 4,369.70

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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.