Home / 7,869.77-11,804.67-3,971.46

Finding the Fourth Proportional to 7,869.77, 11,804.67 and 3,971.46

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Solution

The fourth proportional to 7,869.77, 11,804.67 and 3,971.46 is: 5,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.77 : 11,804.67 = 3,971.46 : x
  2. Step 2: Convert to fraction form
    7,869.77/11,804.67 = 3,971.46/x
  3. Step 3: Cross multiply
    7,869.77x = 11,804.67 × 3,971.46
  4. Step 4: Simplify right side
    7,869.77x = 46,881,774.72
  5. Step 5: Solve for x
    x = 46,881,774.72/7,869.77
  6. Step 6: Final answer
    x = 5,957.20

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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.