Home / 8,710.19-13,072.71-3,783.77

Finding the Fourth Proportional to 8,710.19, 13,072.71 and 3,783.77

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Solution

The fourth proportional to 8,710.19, 13,072.71 and 3,783.77 is: 5,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.19 : 13,072.71 = 3,783.77 : x
  2. Step 2: Convert to fraction form
    8,710.19/13,072.71 = 3,783.77/x
  3. Step 3: Cross multiply
    8,710.19x = 13,072.71 × 3,783.77
  4. Step 4: Simplify right side
    8,710.19x = 49,464,127.92
  5. Step 5: Solve for x
    x = 49,464,127.92/8,710.19
  6. Step 6: Final answer
    x = 5,678.88

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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.