Home / 4,915.48-7,373.70-1,627.80

Finding the Fourth Proportional to 4,915.48, 7,373.70 and 1,627.80

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Solution

The fourth proportional to 4,915.48, 7,373.70 and 1,627.80 is: 2,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.48 : 7,373.70 = 1,627.80 : x
  2. Step 2: Convert to fraction form
    4,915.48/7,373.70 = 1,627.80/x
  3. Step 3: Cross multiply
    4,915.48x = 7,373.70 × 1,627.80
  4. Step 4: Simplify right side
    4,915.48x = 12,002,908.86
  5. Step 5: Solve for x
    x = 12,002,908.86/4,915.48
  6. Step 6: Final answer
    x = 2,441.86

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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.