Home / 5,586.70-8,380.05-1,690.60

Finding the Fourth Proportional to 5,586.70, 8,380.05 and 1,690.60

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Solution

The fourth proportional to 5,586.70, 8,380.05 and 1,690.60 is: 2,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.70 : 8,380.05 = 1,690.60 : x
  2. Step 2: Convert to fraction form
    5,586.70/8,380.05 = 1,690.60/x
  3. Step 3: Cross multiply
    5,586.70x = 8,380.05 × 1,690.60
  4. Step 4: Simplify right side
    5,586.70x = 14,167,312.53
  5. Step 5: Solve for x
    x = 14,167,312.53/5,586.70
  6. Step 6: Final answer
    x = 2,535.90

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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.