Home / 7,091.35-9,784.86-4,106.67

Finding the Fourth Proportional to 7,091.35, 9,784.86 and 4,106.67

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Solution

The fourth proportional to 7,091.35, 9,784.86 and 4,106.67 is: 5,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.35 : 9,784.86 = 4,106.67 : x
  2. Step 2: Convert to fraction form
    7,091.35/9,784.86 = 4,106.67/x
  3. Step 3: Cross multiply
    7,091.35x = 9,784.86 × 4,106.67
  4. Step 4: Simplify right side
    7,091.35x = 40,183,191.02
  5. Step 5: Solve for x
    x = 40,183,191.02/7,091.35
  6. Step 6: Final answer
    x = 5,666.51

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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.