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Finding the Fourth Proportional to 8,827.94, 13,240.47 and 2,670.50

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Solution

The fourth proportional to 8,827.94, 13,240.47 and 2,670.50 is: 4,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.94 : 13,240.47 = 2,670.50 : x
  2. Step 2: Convert to fraction form
    8,827.94/13,240.47 = 2,670.50/x
  3. Step 3: Cross multiply
    8,827.94x = 13,240.47 × 2,670.50
  4. Step 4: Simplify right side
    8,827.94x = 35,358,675.14
  5. Step 5: Solve for x
    x = 35,358,675.14/8,827.94
  6. Step 6: Final answer
    x = 4,005.31

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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.