Home / 7,864.84-11,798.48-2,669.50

Finding the Fourth Proportional to 7,864.84, 11,798.48 and 2,669.50

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Solution

The fourth proportional to 7,864.84, 11,798.48 and 2,669.50 is: 4,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.84 : 11,798.48 = 2,669.50 : x
  2. Step 2: Convert to fraction form
    7,864.84/11,798.48 = 2,669.50/x
  3. Step 3: Cross multiply
    7,864.84x = 11,798.48 × 2,669.50
  4. Step 4: Simplify right side
    7,864.84x = 31,496,029.01
  5. Step 5: Solve for x
    x = 31,496,029.01/7,864.84
  6. Step 6: Final answer
    x = 4,004.66

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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.