Home / 5,317.47-7,336.85-3,994.34

Finding the Fourth Proportional to 5,317.47, 7,336.85 and 3,994.34

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Solution

The fourth proportional to 5,317.47, 7,336.85 and 3,994.34 is: 5,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.47 : 7,336.85 = 3,994.34 : x
  2. Step 2: Convert to fraction form
    5,317.47/7,336.85 = 3,994.34/x
  3. Step 3: Cross multiply
    5,317.47x = 7,336.85 × 3,994.34
  4. Step 4: Simplify right side
    5,317.47x = 29,305,816.77
  5. Step 5: Solve for x
    x = 29,305,816.77/5,317.47
  6. Step 6: Final answer
    x = 5,511.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.