Home / 5,587.74-8,381.70-2,817.90

Finding the Fourth Proportional to 5,587.74, 8,381.70 and 2,817.90

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Solution

The fourth proportional to 5,587.74, 8,381.70 and 2,817.90 is: 4,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.74 : 8,381.70 = 2,817.90 : x
  2. Step 2: Convert to fraction form
    5,587.74/8,381.70 = 2,817.90/x
  3. Step 3: Cross multiply
    5,587.74x = 8,381.70 × 2,817.90
  4. Step 4: Simplify right side
    5,587.74x = 23,618,792.43
  5. Step 5: Solve for x
    x = 23,618,792.43/5,587.74
  6. Step 6: Final answer
    x = 4,226.90

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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.