Home / 4,785.48-7,180.11-1,864.62

Finding the Fourth Proportional to 4,785.48, 7,180.11 and 1,864.62

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Solution

The fourth proportional to 4,785.48, 7,180.11 and 1,864.62 is: 2,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.48 : 7,180.11 = 1,864.62 : x
  2. Step 2: Convert to fraction form
    4,785.48/7,180.11 = 1,864.62/x
  3. Step 3: Cross multiply
    4,785.48x = 7,180.11 × 1,864.62
  4. Step 4: Simplify right side
    4,785.48x = 13,388,176.71
  5. Step 5: Solve for x
    x = 13,388,176.71/4,785.48
  6. Step 6: Final answer
    x = 2,797.67

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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.