Home / 5,410.37-8,110.02-2,118.98

Finding the Fourth Proportional to 5,410.37, 8,110.02 and 2,118.98

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Solution

The fourth proportional to 5,410.37, 8,110.02 and 2,118.98 is: 3,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.37 : 8,110.02 = 2,118.98 : x
  2. Step 2: Convert to fraction form
    5,410.37/8,110.02 = 2,118.98/x
  3. Step 3: Cross multiply
    5,410.37x = 8,110.02 × 2,118.98
  4. Step 4: Simplify right side
    5,410.37x = 17,184,970.18
  5. Step 5: Solve for x
    x = 17,184,970.18/5,410.37
  6. Step 6: Final answer
    x = 3,176.30

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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.