Home / 8,893.90-12,273.50-4,915.28

Finding the Fourth Proportional to 8,893.90, 12,273.50 and 4,915.28

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Solution

The fourth proportional to 8,893.90, 12,273.50 and 4,915.28 is: 6,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.90 : 12,273.50 = 4,915.28 : x
  2. Step 2: Convert to fraction form
    8,893.90/12,273.50 = 4,915.28/x
  3. Step 3: Cross multiply
    8,893.90x = 12,273.50 × 4,915.28
  4. Step 4: Simplify right side
    8,893.90x = 60,327,689.08
  5. Step 5: Solve for x
    x = 60,327,689.08/8,893.90
  6. Step 6: Final answer
    x = 6,783.04

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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.