Home / 5,705.56-8,559.70-1,809.96

Finding the Fourth Proportional to 5,705.56, 8,559.70 and 1,809.96

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Solution

The fourth proportional to 5,705.56, 8,559.70 and 1,809.96 is: 2,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.56 : 8,559.70 = 1,809.96 : x
  2. Step 2: Convert to fraction form
    5,705.56/8,559.70 = 1,809.96/x
  3. Step 3: Cross multiply
    5,705.56x = 8,559.70 × 1,809.96
  4. Step 4: Simplify right side
    5,705.56x = 15,492,710.09
  5. Step 5: Solve for x
    x = 15,492,710.09/5,705.56
  6. Step 6: Final answer
    x = 2,715.37

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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.