Home / 8,812.13-13,216.77-2,570.67

Finding the Fourth Proportional to 8,812.13, 13,216.77 and 2,570.67

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Solution

The fourth proportional to 8,812.13, 13,216.77 and 2,570.67 is: 3,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.13 : 13,216.77 = 2,570.67 : x
  2. Step 2: Convert to fraction form
    8,812.13/13,216.77 = 2,570.67/x
  3. Step 3: Cross multiply
    8,812.13x = 13,216.77 × 2,570.67
  4. Step 4: Simplify right side
    8,812.13x = 33,975,954.14
  5. Step 5: Solve for x
    x = 33,975,954.14/8,812.13
  6. Step 6: Final answer
    x = 3,855.59

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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.