Home / 5,586.86-8,378.31-1,637.03

Finding the Fourth Proportional to 5,586.86, 8,378.31 and 1,637.03

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Solution

The fourth proportional to 5,586.86, 8,378.31 and 1,637.03 is: 2,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.86 : 8,378.31 = 1,637.03 : x
  2. Step 2: Convert to fraction form
    5,586.86/8,378.31 = 1,637.03/x
  3. Step 3: Cross multiply
    5,586.86x = 8,378.31 × 1,637.03
  4. Step 4: Simplify right side
    5,586.86x = 13,715,544.82
  5. Step 5: Solve for x
    x = 13,715,544.82/5,586.86
  6. Step 6: Final answer
    x = 2,454.96

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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.