Home / 7,868.93-11,800.40-2,602.35

Finding the Fourth Proportional to 7,868.93, 11,800.40 and 2,602.35

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Solution

The fourth proportional to 7,868.93, 11,800.40 and 2,602.35 is: 3,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.93 : 11,800.40 = 2,602.35 : x
  2. Step 2: Convert to fraction form
    7,868.93/11,800.40 = 2,602.35/x
  3. Step 3: Cross multiply
    7,868.93x = 11,800.40 × 2,602.35
  4. Step 4: Simplify right side
    7,868.93x = 30,708,757.93
  5. Step 5: Solve for x
    x = 30,708,757.93/7,868.93
  6. Step 6: Final answer
    x = 3,902.54

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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.