Home / 4,005.75-6,009.40-1,231.93

Finding the Fourth Proportional to 4,005.75, 6,009.40 and 1,231.93

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Solution

The fourth proportional to 4,005.75, 6,009.40 and 1,231.93 is: 1,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.75 : 6,009.40 = 1,231.93 : x
  2. Step 2: Convert to fraction form
    4,005.75/6,009.40 = 1,231.93/x
  3. Step 3: Cross multiply
    4,005.75x = 6,009.40 × 1,231.93
  4. Step 4: Simplify right side
    4,005.75x = 7,403,142.04
  5. Step 5: Solve for x
    x = 7,403,142.04/4,005.75
  6. Step 6: Final answer
    x = 1,848.13

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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.