Home / 5,152.65-7,721.91-3,395.00

Finding the Fourth Proportional to 5,152.65, 7,721.91 and 3,395.00

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Solution

The fourth proportional to 5,152.65, 7,721.91 and 3,395.00 is: 5,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.65 : 7,721.91 = 3,395.00 : x
  2. Step 2: Convert to fraction form
    5,152.65/7,721.91 = 3,395.00/x
  3. Step 3: Cross multiply
    5,152.65x = 7,721.91 × 3,395.00
  4. Step 4: Simplify right side
    5,152.65x = 26,215,828.87
  5. Step 5: Solve for x
    x = 26,215,828.87/5,152.65
  6. Step 6: Final answer
    x = 5,087.84

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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.