Home / 7,124.63-10,685.12-2,968.41

Finding the Fourth Proportional to 7,124.63, 10,685.12 and 2,968.41

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Solution

The fourth proportional to 7,124.63, 10,685.12 and 2,968.41 is: 4,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.63 : 10,685.12 = 2,968.41 : x
  2. Step 2: Convert to fraction form
    7,124.63/10,685.12 = 2,968.41/x
  3. Step 3: Cross multiply
    7,124.63x = 10,685.12 × 2,968.41
  4. Step 4: Simplify right side
    7,124.63x = 31,717,842.29
  5. Step 5: Solve for x
    x = 31,717,842.29/7,124.63
  6. Step 6: Final answer
    x = 4,451.86

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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.