Home / 7,826.40-11,742.32-5,204.32

Finding the Fourth Proportional to 7,826.40, 11,742.32 and 5,204.32

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Solution

The fourth proportional to 7,826.40, 11,742.32 and 5,204.32 is: 7,808.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.40 : 11,742.32 = 5,204.32 : x
  2. Step 2: Convert to fraction form
    7,826.40/11,742.32 = 5,204.32/x
  3. Step 3: Cross multiply
    7,826.40x = 11,742.32 × 5,204.32
  4. Step 4: Simplify right side
    7,826.40x = 61,110,790.82
  5. Step 5: Solve for x
    x = 61,110,790.82/7,826.40
  6. Step 6: Final answer
    x = 7,808.29

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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.