Home / 7,669.49-11,483.72-4,378.05

Finding the Fourth Proportional to 7,669.49, 11,483.72 and 4,378.05

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Solution

The fourth proportional to 7,669.49, 11,483.72 and 4,378.05 is: 6,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.49 : 11,483.72 = 4,378.05 : x
  2. Step 2: Convert to fraction form
    7,669.49/11,483.72 = 4,378.05/x
  3. Step 3: Cross multiply
    7,669.49x = 11,483.72 × 4,378.05
  4. Step 4: Simplify right side
    7,669.49x = 50,276,278.46
  5. Step 5: Solve for x
    x = 50,276,278.46/7,669.49
  6. Step 6: Final answer
    x = 6,555.37

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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.