Home / 5,705.85-8,558.67-2,930.90

Finding the Fourth Proportional to 5,705.85, 8,558.67 and 2,930.90

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Solution

The fourth proportional to 5,705.85, 8,558.67 and 2,930.90 is: 4,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.85 : 8,558.67 = 2,930.90 : x
  2. Step 2: Convert to fraction form
    5,705.85/8,558.67 = 2,930.90/x
  3. Step 3: Cross multiply
    5,705.85x = 8,558.67 × 2,930.90
  4. Step 4: Simplify right side
    5,705.85x = 25,084,563.11
  5. Step 5: Solve for x
    x = 25,084,563.11/5,705.85
  6. Step 6: Final answer
    x = 4,396.29

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1.5x scale

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.