Home / 5,705.01-8,557.81-1,809.72

Finding the Fourth Proportional to 5,705.01, 8,557.81 and 1,809.72

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Solution

The fourth proportional to 5,705.01, 8,557.81 and 1,809.72 is: 2,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.01 : 8,557.81 = 1,809.72 : x
  2. Step 2: Convert to fraction form
    5,705.01/8,557.81 = 1,809.72/x
  3. Step 3: Cross multiply
    5,705.01x = 8,557.81 × 1,809.72
  4. Step 4: Simplify right side
    5,705.01x = 15,487,235.39
  5. Step 5: Solve for x
    x = 15,487,235.39/5,705.01
  6. Step 6: Final answer
    x = 2,714.67

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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.