Home / 4,878.75-7,277.01-4,089.60

Finding the Fourth Proportional to 4,878.75, 7,277.01 and 4,089.60

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Solution

The fourth proportional to 4,878.75, 7,277.01 and 4,089.60 is: 6,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.75 : 7,277.01 = 4,089.60 : x
  2. Step 2: Convert to fraction form
    4,878.75/7,277.01 = 4,089.60/x
  3. Step 3: Cross multiply
    4,878.75x = 7,277.01 × 4,089.60
  4. Step 4: Simplify right side
    4,878.75x = 29,760,060.10
  5. Step 5: Solve for x
    x = 29,760,060.10/4,878.75
  6. Step 6: Final answer
    x = 6,099.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.