Home / 7,790.10-11,674.26-4,280.82

Finding the Fourth Proportional to 7,790.10, 11,674.26 and 4,280.82

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Solution

The fourth proportional to 7,790.10, 11,674.26 and 4,280.82 is: 6,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.10 : 11,674.26 = 4,280.82 : x
  2. Step 2: Convert to fraction form
    7,790.10/11,674.26 = 4,280.82/x
  3. Step 3: Cross multiply
    7,790.10x = 11,674.26 × 4,280.82
  4. Step 4: Simplify right side
    7,790.10x = 49,975,405.69
  5. Step 5: Solve for x
    x = 49,975,405.69/7,790.10
  6. Step 6: Final answer
    x = 6,415.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.