Home / 7,124.75-10,684.38-2,966.72

Finding the Fourth Proportional to 7,124.75, 10,684.38 and 2,966.72

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Solution

The fourth proportional to 7,124.75, 10,684.38 and 2,966.72 is: 4,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.75 : 10,684.38 = 2,966.72 : x
  2. Step 2: Convert to fraction form
    7,124.75/10,684.38 = 2,966.72/x
  3. Step 3: Cross multiply
    7,124.75x = 10,684.38 × 2,966.72
  4. Step 4: Simplify right side
    7,124.75x = 31,697,510.41
  5. Step 5: Solve for x
    x = 31,697,510.41/7,124.75
  6. Step 6: Final answer
    x = 4,448.93

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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.