Home / 7,858.56-11,790.15-3,176.19

Finding the Fourth Proportional to 7,858.56, 11,790.15 and 3,176.19

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Solution

The fourth proportional to 7,858.56, 11,790.15 and 3,176.19 is: 4,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.56 : 11,790.15 = 3,176.19 : x
  2. Step 2: Convert to fraction form
    7,858.56/11,790.15 = 3,176.19/x
  3. Step 3: Cross multiply
    7,858.56x = 11,790.15 × 3,176.19
  4. Step 4: Simplify right side
    7,858.56x = 37,447,756.53
  5. Step 5: Solve for x
    x = 37,447,756.53/7,858.56
  6. Step 6: Final answer
    x = 4,765.22

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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.