Home / 5,878.31-8,111.93-3,255.89

Finding the Fourth Proportional to 5,878.31, 8,111.93 and 3,255.89

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Solution

The fourth proportional to 5,878.31, 8,111.93 and 3,255.89 is: 4,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.31 : 8,111.93 = 3,255.89 : x
  2. Step 2: Convert to fraction form
    5,878.31/8,111.93 = 3,255.89/x
  3. Step 3: Cross multiply
    5,878.31x = 8,111.93 × 3,255.89
  4. Step 4: Simplify right side
    5,878.31x = 26,411,519.35
  5. Step 5: Solve for x
    x = 26,411,519.35/5,878.31
  6. Step 6: Final answer
    x = 4,493.04

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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.