Home / 7,054.31-10,586.25-3,769.76

Finding the Fourth Proportional to 7,054.31, 10,586.25 and 3,769.76

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Solution

The fourth proportional to 7,054.31, 10,586.25 and 3,769.76 is: 5,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.31 : 10,586.25 = 3,769.76 : x
  2. Step 2: Convert to fraction form
    7,054.31/10,586.25 = 3,769.76/x
  3. Step 3: Cross multiply
    7,054.31x = 10,586.25 × 3,769.76
  4. Step 4: Simplify right side
    7,054.31x = 39,907,621.80
  5. Step 5: Solve for x
    x = 39,907,621.80/7,054.31
  6. Step 6: Final answer
    x = 5,657.20

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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.