Home / 5,705.35-8,546.40-4,654.90

Finding the Fourth Proportional to 5,705.35, 8,546.40 and 4,654.90

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Solution

The fourth proportional to 5,705.35, 8,546.40 and 4,654.90 is: 6,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.35 : 8,546.40 = 4,654.90 : x
  2. Step 2: Convert to fraction form
    5,705.35/8,546.40 = 4,654.90/x
  3. Step 3: Cross multiply
    5,705.35x = 8,546.40 × 4,654.90
  4. Step 4: Simplify right side
    5,705.35x = 39,782,648.04
  5. Step 5: Solve for x
    x = 39,782,648.04/5,705.35
  6. Step 6: Final answer
    x = 6,972.87

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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.