Home / 8,915.36-12,293.93-6,228.99

Finding the Fourth Proportional to 8,915.36, 12,293.93 and 6,228.99

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Solution

The fourth proportional to 8,915.36, 12,293.93 and 6,228.99 is: 8,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.36 : 12,293.93 = 6,228.99 : x
  2. Step 2: Convert to fraction form
    8,915.36/12,293.93 = 6,228.99/x
  3. Step 3: Cross multiply
    8,915.36x = 12,293.93 × 6,228.99
  4. Step 4: Simplify right side
    8,915.36x = 76,578,735.89
  5. Step 5: Solve for x
    x = 76,578,735.89/8,915.36
  6. Step 6: Final answer
    x = 8,589.53

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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.