Home / 6,938.07-10,407.48-2,007.60

Finding the Fourth Proportional to 6,938.07, 10,407.48 and 2,007.60

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Solution

The fourth proportional to 6,938.07, 10,407.48 and 2,007.60 is: 3,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.07 : 10,407.48 = 2,007.60 : x
  2. Step 2: Convert to fraction form
    6,938.07/10,407.48 = 2,007.60/x
  3. Step 3: Cross multiply
    6,938.07x = 10,407.48 × 2,007.60
  4. Step 4: Simplify right side
    6,938.07x = 20,894,056.85
  5. Step 5: Solve for x
    x = 20,894,056.85/6,938.07
  6. Step 6: Final answer
    x = 3,011.51

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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.