Home / 7,869.59-11,801.81-2,603.37

Finding the Fourth Proportional to 7,869.59, 11,801.81 and 2,603.37

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Solution

The fourth proportional to 7,869.59, 11,801.81 and 2,603.37 is: 3,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.59 : 11,801.81 = 2,603.37 : x
  2. Step 2: Convert to fraction form
    7,869.59/11,801.81 = 2,603.37/x
  3. Step 3: Cross multiply
    7,869.59x = 11,801.81 × 2,603.37
  4. Step 4: Simplify right side
    7,869.59x = 30,724,465.08
  5. Step 5: Solve for x
    x = 30,724,465.08/7,869.59
  6. Step 6: Final answer
    x = 3,904.20

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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.