Home / 5,908.74-8,153.89-3,219.90

Finding the Fourth Proportional to 5,908.74, 8,153.89 and 3,219.90

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Solution

The fourth proportional to 5,908.74, 8,153.89 and 3,219.90 is: 4,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.74 : 8,153.89 = 3,219.90 : x
  2. Step 2: Convert to fraction form
    5,908.74/8,153.89 = 3,219.90/x
  3. Step 3: Cross multiply
    5,908.74x = 8,153.89 × 3,219.90
  4. Step 4: Simplify right side
    5,908.74x = 26,254,710.41
  5. Step 5: Solve for x
    x = 26,254,710.41/5,908.74
  6. Step 6: Final answer
    x = 4,443.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.