Home / 8,915.16-13,374.84-3,071.64

Finding the Fourth Proportional to 8,915.16, 13,374.84 and 3,071.64

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Solution

The fourth proportional to 8,915.16, 13,374.84 and 3,071.64 is: 4,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.16 : 13,374.84 = 3,071.64 : x
  2. Step 2: Convert to fraction form
    8,915.16/13,374.84 = 3,071.64/x
  3. Step 3: Cross multiply
    8,915.16x = 13,374.84 × 3,071.64
  4. Step 4: Simplify right side
    8,915.16x = 41,082,693.54
  5. Step 5: Solve for x
    x = 41,082,693.54/8,915.16
  6. Step 6: Final answer
    x = 4,608.18

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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.