Home / 5,492.86-8,235.93-2,157.11

Finding the Fourth Proportional to 5,492.86, 8,235.93 and 2,157.11

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Solution

The fourth proportional to 5,492.86, 8,235.93 and 2,157.11 is: 3,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.86 : 8,235.93 = 2,157.11 : x
  2. Step 2: Convert to fraction form
    5,492.86/8,235.93 = 2,157.11/x
  3. Step 3: Cross multiply
    5,492.86x = 8,235.93 × 2,157.11
  4. Step 4: Simplify right side
    5,492.86x = 17,765,804.76
  5. Step 5: Solve for x
    x = 17,765,804.76/5,492.86
  6. Step 6: Final answer
    x = 3,234.35

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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.