Home / 7,862.36-11,790.24-4,577.72

Finding the Fourth Proportional to 7,862.36, 11,790.24 and 4,577.72

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Solution

The fourth proportional to 7,862.36, 11,790.24 and 4,577.72 is: 6,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.36 : 11,790.24 = 4,577.72 : x
  2. Step 2: Convert to fraction form
    7,862.36/11,790.24 = 4,577.72/x
  3. Step 3: Cross multiply
    7,862.36x = 11,790.24 × 4,577.72
  4. Step 4: Simplify right side
    7,862.36x = 53,972,417.45
  5. Step 5: Solve for x
    x = 53,972,417.45/7,862.36
  6. Step 6: Final answer
    x = 6,864.66

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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.