Home / 5,383.36-7,428.80-2,993.32

Finding the Fourth Proportional to 5,383.36, 7,428.80 and 2,993.32

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Solution

The fourth proportional to 5,383.36, 7,428.80 and 2,993.32 is: 4,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.36 : 7,428.80 = 2,993.32 : x
  2. Step 2: Convert to fraction form
    5,383.36/7,428.80 = 2,993.32/x
  3. Step 3: Cross multiply
    5,383.36x = 7,428.80 × 2,993.32
  4. Step 4: Simplify right side
    5,383.36x = 22,236,792.39
  5. Step 5: Solve for x
    x = 22,236,792.39/5,383.36
  6. Step 6: Final answer
    x = 4,130.65

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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.