Home / 8,929.32-13,394.54-2,355.51

Finding the Fourth Proportional to 8,929.32, 13,394.54 and 2,355.51

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Solution

The fourth proportional to 8,929.32, 13,394.54 and 2,355.51 is: 3,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.32 : 13,394.54 = 2,355.51 : x
  2. Step 2: Convert to fraction form
    8,929.32/13,394.54 = 2,355.51/x
  3. Step 3: Cross multiply
    8,929.32x = 13,394.54 × 2,355.51
  4. Step 4: Simplify right side
    8,929.32x = 31,550,969.97
  5. Step 5: Solve for x
    x = 31,550,969.97/8,929.32
  6. Step 6: Final answer
    x = 3,533.41

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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.