Home / 7,758.37-10,704.69-4,571.80

Finding the Fourth Proportional to 7,758.37, 10,704.69 and 4,571.80

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Solution

The fourth proportional to 7,758.37, 10,704.69 and 4,571.80 is: 6,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.37 : 10,704.69 = 4,571.80 : x
  2. Step 2: Convert to fraction form
    7,758.37/10,704.69 = 4,571.80/x
  3. Step 3: Cross multiply
    7,758.37x = 10,704.69 × 4,571.80
  4. Step 4: Simplify right side
    7,758.37x = 48,939,705.09
  5. Step 5: Solve for x
    x = 48,939,705.09/7,758.37
  6. Step 6: Final answer
    x = 6,307.98

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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.