Home / 7,784.56-10,742.93-4,427.85

Finding the Fourth Proportional to 7,784.56, 10,742.93 and 4,427.85

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Solution

The fourth proportional to 7,784.56, 10,742.93 and 4,427.85 is: 6,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.56 : 10,742.93 = 4,427.85 : x
  2. Step 2: Convert to fraction form
    7,784.56/10,742.93 = 4,427.85/x
  3. Step 3: Cross multiply
    7,784.56x = 10,742.93 × 4,427.85
  4. Step 4: Simplify right side
    7,784.56x = 47,568,100.75
  5. Step 5: Solve for x
    x = 47,568,100.75/7,784.56
  6. Step 6: Final answer
    x = 6,110.57

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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.