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Finding the Fourth Proportional to 5,317.80, 7,973.97 and 2,394.51

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Solution

The fourth proportional to 5,317.80, 7,973.97 and 2,394.51 is: 3,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.80 : 7,973.97 = 2,394.51 : x
  2. Step 2: Convert to fraction form
    5,317.80/7,973.97 = 2,394.51/x
  3. Step 3: Cross multiply
    5,317.80x = 7,973.97 × 2,394.51
  4. Step 4: Simplify right side
    5,317.80x = 19,093,750.90
  5. Step 5: Solve for x
    x = 19,093,750.90/5,317.80
  6. Step 6: Final answer
    x = 3,590.54

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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.