Home / 5,289.36-7,932.45-3,317.98

Finding the Fourth Proportional to 5,289.36, 7,932.45 and 3,317.98

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Solution

The fourth proportional to 5,289.36, 7,932.45 and 3,317.98 is: 4,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.36 : 7,932.45 = 3,317.98 : x
  2. Step 2: Convert to fraction form
    5,289.36/7,932.45 = 3,317.98/x
  3. Step 3: Cross multiply
    5,289.36x = 7,932.45 × 3,317.98
  4. Step 4: Simplify right side
    5,289.36x = 26,319,710.45
  5. Step 5: Solve for x
    x = 26,319,710.45/5,289.36
  6. Step 6: Final answer
    x = 4,975.97

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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.