Home / 5,598.36-7,725.60-3,240.36

Finding the Fourth Proportional to 5,598.36, 7,725.60 and 3,240.36

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Solution

The fourth proportional to 5,598.36, 7,725.60 and 3,240.36 is: 4,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.36 : 7,725.60 = 3,240.36 : x
  2. Step 2: Convert to fraction form
    5,598.36/7,725.60 = 3,240.36/x
  3. Step 3: Cross multiply
    5,598.36x = 7,725.60 × 3,240.36
  4. Step 4: Simplify right side
    5,598.36x = 25,033,725.22
  5. Step 5: Solve for x
    x = 25,033,725.22/5,598.36
  6. Step 6: Final answer
    x = 4,471.62

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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.