Home / 5,506.86-8,261.16-1,808.25

Finding the Fourth Proportional to 5,506.86, 8,261.16 and 1,808.25

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Solution

The fourth proportional to 5,506.86, 8,261.16 and 1,808.25 is: 2,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.86 : 8,261.16 = 1,808.25 : x
  2. Step 2: Convert to fraction form
    5,506.86/8,261.16 = 1,808.25/x
  3. Step 3: Cross multiply
    5,506.86x = 8,261.16 × 1,808.25
  4. Step 4: Simplify right side
    5,506.86x = 14,938,242.57
  5. Step 5: Solve for x
    x = 14,938,242.57/5,506.86
  6. Step 6: Final answer
    x = 2,712.66

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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.