Home / 5,718.41-8,580.89-3,085.91

Finding the Fourth Proportional to 5,718.41, 8,580.89 and 3,085.91

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Solution

The fourth proportional to 5,718.41, 8,580.89 and 3,085.91 is: 4,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.41 : 8,580.89 = 3,085.91 : x
  2. Step 2: Convert to fraction form
    5,718.41/8,580.89 = 3,085.91/x
  3. Step 3: Cross multiply
    5,718.41x = 8,580.89 × 3,085.91
  4. Step 4: Simplify right side
    5,718.41x = 26,479,883.43
  5. Step 5: Solve for x
    x = 26,479,883.43/5,718.41
  6. Step 6: Final answer
    x = 4,630.64

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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.