Home / 7,091.30-10,637.04-2,161.76

Finding the Fourth Proportional to 7,091.30, 10,637.04 and 2,161.76

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Solution

The fourth proportional to 7,091.30, 10,637.04 and 2,161.76 is: 3,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.30 : 10,637.04 = 2,161.76 : x
  2. Step 2: Convert to fraction form
    7,091.30/10,637.04 = 2,161.76/x
  3. Step 3: Cross multiply
    7,091.30x = 10,637.04 × 2,161.76
  4. Step 4: Simplify right side
    7,091.30x = 22,994,727.59
  5. Step 5: Solve for x
    x = 22,994,727.59/7,091.30
  6. Step 6: Final answer
    x = 3,242.67

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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.