Home / 6,187.45-9,281.55-2,489.68

Finding the Fourth Proportional to 6,187.45, 9,281.55 and 2,489.68

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Solution

The fourth proportional to 6,187.45, 9,281.55 and 2,489.68 is: 3,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.45 : 9,281.55 = 2,489.68 : x
  2. Step 2: Convert to fraction form
    6,187.45/9,281.55 = 2,489.68/x
  3. Step 3: Cross multiply
    6,187.45x = 9,281.55 × 2,489.68
  4. Step 4: Simplify right side
    6,187.45x = 23,108,075.54
  5. Step 5: Solve for x
    x = 23,108,075.54/6,187.45
  6. Step 6: Final answer
    x = 3,734.67

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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.