Home / 5,288.36-7,935.12-2,170.67

Finding the Fourth Proportional to 5,288.36, 7,935.12 and 2,170.67

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Solution

The fourth proportional to 5,288.36, 7,935.12 and 2,170.67 is: 3,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.36 : 7,935.12 = 2,170.67 : x
  2. Step 2: Convert to fraction form
    5,288.36/7,935.12 = 2,170.67/x
  3. Step 3: Cross multiply
    5,288.36x = 7,935.12 × 2,170.67
  4. Step 4: Simplify right side
    5,288.36x = 17,224,526.93
  5. Step 5: Solve for x
    x = 17,224,526.93/5,288.36
  6. Step 6: Final answer
    x = 3,257.06

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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.