Home / 4,006.40-6,009.62-2,628.46

Finding the Fourth Proportional to 4,006.40, 6,009.62 and 2,628.46

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Solution

The fourth proportional to 4,006.40, 6,009.62 and 2,628.46 is: 3,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.40 : 6,009.62 = 2,628.46 : x
  2. Step 2: Convert to fraction form
    4,006.40/6,009.62 = 2,628.46/x
  3. Step 3: Cross multiply
    4,006.40x = 6,009.62 × 2,628.46
  4. Step 4: Simplify right side
    4,006.40x = 15,796,045.79
  5. Step 5: Solve for x
    x = 15,796,045.79/4,006.40
  6. Step 6: Final answer
    x = 3,942.70

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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.