Home / 7,790.88-10,751.46-4,254.09

Finding the Fourth Proportional to 7,790.88, 10,751.46 and 4,254.09

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Solution

The fourth proportional to 7,790.88, 10,751.46 and 4,254.09 is: 5,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.88 : 10,751.46 = 4,254.09 : x
  2. Step 2: Convert to fraction form
    7,790.88/10,751.46 = 4,254.09/x
  3. Step 3: Cross multiply
    7,790.88x = 10,751.46 × 4,254.09
  4. Step 4: Simplify right side
    7,790.88x = 45,737,724.88
  5. Step 5: Solve for x
    x = 45,737,724.88/7,790.88
  6. Step 6: Final answer
    x = 5,870.67

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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.