Home / 5,619.53-8,430.73-1,670.83

Finding the Fourth Proportional to 5,619.53, 8,430.73 and 1,670.83

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Solution

The fourth proportional to 5,619.53, 8,430.73 and 1,670.83 is: 2,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.53 : 8,430.73 = 1,670.83 : x
  2. Step 2: Convert to fraction form
    5,619.53/8,430.73 = 1,670.83/x
  3. Step 3: Cross multiply
    5,619.53x = 8,430.73 × 1,670.83
  4. Step 4: Simplify right side
    5,619.53x = 14,086,300.75
  5. Step 5: Solve for x
    x = 14,086,300.75/5,619.53
  6. Step 6: Final answer
    x = 2,506.67

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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.