Home / 6,922.07-10,389.02-2,765.02

Finding the Fourth Proportional to 6,922.07, 10,389.02 and 2,765.02

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Solution

The fourth proportional to 6,922.07, 10,389.02 and 2,765.02 is: 4,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.07 : 10,389.02 = 2,765.02 : x
  2. Step 2: Convert to fraction form
    6,922.07/10,389.02 = 2,765.02/x
  3. Step 3: Cross multiply
    6,922.07x = 10,389.02 × 2,765.02
  4. Step 4: Simplify right side
    6,922.07x = 28,725,808.28
  5. Step 5: Solve for x
    x = 28,725,808.28/6,922.07
  6. Step 6: Final answer
    x = 4,149.89

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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.