Home / 7,730.45-11,586.69-3,561.70

Finding the Fourth Proportional to 7,730.45, 11,586.69 and 3,561.70

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Solution

The fourth proportional to 7,730.45, 11,586.69 and 3,561.70 is: 5,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.45 : 11,586.69 = 3,561.70 : x
  2. Step 2: Convert to fraction form
    7,730.45/11,586.69 = 3,561.70/x
  3. Step 3: Cross multiply
    7,730.45x = 11,586.69 × 3,561.70
  4. Step 4: Simplify right side
    7,730.45x = 41,268,328.26
  5. Step 5: Solve for x
    x = 41,268,328.26/7,730.45
  6. Step 6: Final answer
    x = 5,338.42

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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.