Home / 5,646.36-7,790.04-3,289.26

Finding the Fourth Proportional to 5,646.36, 7,790.04 and 3,289.26

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Solution

The fourth proportional to 5,646.36, 7,790.04 and 3,289.26 is: 4,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.36 : 7,790.04 = 3,289.26 : x
  2. Step 2: Convert to fraction form
    5,646.36/7,790.04 = 3,289.26/x
  3. Step 3: Cross multiply
    5,646.36x = 7,790.04 × 3,289.26
  4. Step 4: Simplify right side
    5,646.36x = 25,623,466.97
  5. Step 5: Solve for x
    x = 25,623,466.97/5,646.36
  6. Step 6: Final answer
    x = 4,538.05

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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.