Home / 7,761.12-10,704.07-4,771.62

Finding the Fourth Proportional to 7,761.12, 10,704.07 and 4,771.62

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Solution

The fourth proportional to 7,761.12, 10,704.07 and 4,771.62 is: 6,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.12 : 10,704.07 = 4,771.62 : x
  2. Step 2: Convert to fraction form
    7,761.12/10,704.07 = 4,771.62/x
  3. Step 3: Cross multiply
    7,761.12x = 10,704.07 × 4,771.62
  4. Step 4: Simplify right side
    7,761.12x = 51,075,754.49
  5. Step 5: Solve for x
    x = 51,075,754.49/7,761.12
  6. Step 6: Final answer
    x = 6,580.98

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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.