Home / 4,254.72-6,376.24-1,915.44

Finding the Fourth Proportional to 4,254.72, 6,376.24 and 1,915.44

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Solution

The fourth proportional to 4,254.72, 6,376.24 and 1,915.44 is: 2,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.72 : 6,376.24 = 1,915.44 : x
  2. Step 2: Convert to fraction form
    4,254.72/6,376.24 = 1,915.44/x
  3. Step 3: Cross multiply
    4,254.72x = 6,376.24 × 1,915.44
  4. Step 4: Simplify right side
    4,254.72x = 12,213,305.15
  5. Step 5: Solve for x
    x = 12,213,305.15/4,254.72
  6. Step 6: Final answer
    x = 2,870.53

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1.5x scale

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.