Home / 7,706.07-11,503.35-6,771.90

Finding the Fourth Proportional to 7,706.07, 11,503.35 and 6,771.90

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Solution

The fourth proportional to 7,706.07, 11,503.35 and 6,771.90 is: 10,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.07 : 11,503.35 = 6,771.90 : x
  2. Step 2: Convert to fraction form
    7,706.07/11,503.35 = 6,771.90/x
  3. Step 3: Cross multiply
    7,706.07x = 11,503.35 × 6,771.90
  4. Step 4: Simplify right side
    7,706.07x = 77,899,535.87
  5. Step 5: Solve for x
    x = 77,899,535.87/7,706.07
  6. Step 6: Final answer
    x = 10,108.85

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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.