Home / 4,005.48-6,006.60-1,231.50

Finding the Fourth Proportional to 4,005.48, 6,006.60 and 1,231.50

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Solution

The fourth proportional to 4,005.48, 6,006.60 and 1,231.50 is: 1,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.48 : 6,006.60 = 1,231.50 : x
  2. Step 2: Convert to fraction form
    4,005.48/6,006.60 = 1,231.50/x
  3. Step 3: Cross multiply
    4,005.48x = 6,006.60 × 1,231.50
  4. Step 4: Simplify right side
    4,005.48x = 7,397,127.90
  5. Step 5: Solve for x
    x = 7,397,127.90/4,005.48
  6. Step 6: Final answer
    x = 1,846.75

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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.