Home / 7,862.72-10,850.70-4,325.90

Finding the Fourth Proportional to 7,862.72, 10,850.70 and 4,325.90

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Solution

The fourth proportional to 7,862.72, 10,850.70 and 4,325.90 is: 5,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.72 : 10,850.70 = 4,325.90 : x
  2. Step 2: Convert to fraction form
    7,862.72/10,850.70 = 4,325.90/x
  3. Step 3: Cross multiply
    7,862.72x = 10,850.70 × 4,325.90
  4. Step 4: Simplify right side
    7,862.72x = 46,939,043.13
  5. Step 5: Solve for x
    x = 46,939,043.13/7,862.72
  6. Step 6: Final answer
    x = 5,969.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.