Home / 7,836.20-11,746.79-2,904.51

Finding the Fourth Proportional to 7,836.20, 11,746.79 and 2,904.51

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Solution

The fourth proportional to 7,836.20, 11,746.79 and 2,904.51 is: 4,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.20 : 11,746.79 = 2,904.51 : x
  2. Step 2: Convert to fraction form
    7,836.20/11,746.79 = 2,904.51/x
  3. Step 3: Cross multiply
    7,836.20x = 11,746.79 × 2,904.51
  4. Step 4: Simplify right side
    7,836.20x = 34,118,669.02
  5. Step 5: Solve for x
    x = 34,118,669.02/7,836.20
  6. Step 6: Final answer
    x = 4,353.98

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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.