Home / 7,917.40-11,852.44-4,787.94

Finding the Fourth Proportional to 7,917.40, 11,852.44 and 4,787.94

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Solution

The fourth proportional to 7,917.40, 11,852.44 and 4,787.94 is: 7,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.40 : 11,852.44 = 4,787.94 : x
  2. Step 2: Convert to fraction form
    7,917.40/11,852.44 = 4,787.94/x
  3. Step 3: Cross multiply
    7,917.40x = 11,852.44 × 4,787.94
  4. Step 4: Simplify right side
    7,917.40x = 56,748,804.05
  5. Step 5: Solve for x
    x = 56,748,804.05/7,917.40
  6. Step 6: Final answer
    x = 7,167.60

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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.