Home / 7,106.63-10,660.40-2,946.96

Finding the Fourth Proportional to 7,106.63, 10,660.40 and 2,946.96

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Solution

The fourth proportional to 7,106.63, 10,660.40 and 2,946.96 is: 4,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.63 : 10,660.40 = 2,946.96 : x
  2. Step 2: Convert to fraction form
    7,106.63/10,660.40 = 2,946.96/x
  3. Step 3: Cross multiply
    7,106.63x = 10,660.40 × 2,946.96
  4. Step 4: Simplify right side
    7,106.63x = 31,415,757.65
  5. Step 5: Solve for x
    x = 31,415,757.65/7,106.63
  6. Step 6: Final answer
    x = 4,420.63

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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.