Home / 7,485.54-11,230.74-3,590.25

Finding the Fourth Proportional to 7,485.54, 11,230.74 and 3,590.25

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Solution

The fourth proportional to 7,485.54, 11,230.74 and 3,590.25 is: 5,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.54 : 11,230.74 = 3,590.25 : x
  2. Step 2: Convert to fraction form
    7,485.54/11,230.74 = 3,590.25/x
  3. Step 3: Cross multiply
    7,485.54x = 11,230.74 × 3,590.25
  4. Step 4: Simplify right side
    7,485.54x = 40,321,164.29
  5. Step 5: Solve for x
    x = 40,321,164.29/7,485.54
  6. Step 6: Final answer
    x = 5,386.54

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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.