Home / 5,430.25-8,144.51-2,098.00

Finding the Fourth Proportional to 5,430.25, 8,144.51 and 2,098.00

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Solution

The fourth proportional to 5,430.25, 8,144.51 and 2,098.00 is: 3,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.25 : 8,144.51 = 2,098.00 : x
  2. Step 2: Convert to fraction form
    5,430.25/8,144.51 = 2,098.00/x
  3. Step 3: Cross multiply
    5,430.25x = 8,144.51 × 2,098.00
  4. Step 4: Simplify right side
    5,430.25x = 17,087,187.57
  5. Step 5: Solve for x
    x = 17,087,187.57/5,430.25
  6. Step 6: Final answer
    x = 3,146.67

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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.