Home / 5,586.18-8,379.09-1,690.26

Finding the Fourth Proportional to 5,586.18, 8,379.09 and 1,690.26

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Solution

The fourth proportional to 5,586.18, 8,379.09 and 1,690.26 is: 2,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.18 : 8,379.09 = 1,690.26 : x
  2. Step 2: Convert to fraction form
    5,586.18/8,379.09 = 1,690.26/x
  3. Step 3: Cross multiply
    5,586.18x = 8,379.09 × 1,690.26
  4. Step 4: Simplify right side
    5,586.18x = 14,162,840.66
  5. Step 5: Solve for x
    x = 14,162,840.66/5,586.18
  6. Step 6: Final answer
    x = 2,535.34

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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.