Home / 6,220.78-9,332.09-1,837.67

Finding the Fourth Proportional to 6,220.78, 9,332.09 and 1,837.67

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Solution

The fourth proportional to 6,220.78, 9,332.09 and 1,837.67 is: 2,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.78 : 9,332.09 = 1,837.67 : x
  2. Step 2: Convert to fraction form
    6,220.78/9,332.09 = 1,837.67/x
  3. Step 3: Cross multiply
    6,220.78x = 9,332.09 × 1,837.67
  4. Step 4: Simplify right side
    6,220.78x = 17,149,315.70
  5. Step 5: Solve for x
    x = 17,149,315.70/6,220.78
  6. Step 6: Final answer
    x = 2,756.78

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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.