Home / 4,688.19-7,029.97-1,914.11

Finding the Fourth Proportional to 4,688.19, 7,029.97 and 1,914.11

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Solution

The fourth proportional to 4,688.19, 7,029.97 and 1,914.11 is: 2,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.19 : 7,029.97 = 1,914.11 : x
  2. Step 2: Convert to fraction form
    4,688.19/7,029.97 = 1,914.11/x
  3. Step 3: Cross multiply
    4,688.19x = 7,029.97 × 1,914.11
  4. Step 4: Simplify right side
    4,688.19x = 13,456,135.88
  5. Step 5: Solve for x
    x = 13,456,135.88/4,688.19
  6. Step 6: Final answer
    x = 2,870.22

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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.