Home / 7,810.48-11,717.08-5,039.82

Finding the Fourth Proportional to 7,810.48, 11,717.08 and 5,039.82

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Solution

The fourth proportional to 7,810.48, 11,717.08 and 5,039.82 is: 7,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.48 : 11,717.08 = 5,039.82 : x
  2. Step 2: Convert to fraction form
    7,810.48/11,717.08 = 5,039.82/x
  3. Step 3: Cross multiply
    7,810.48x = 11,717.08 × 5,039.82
  4. Step 4: Simplify right side
    7,810.48x = 59,051,975.70
  5. Step 5: Solve for x
    x = 59,051,975.70/7,810.48
  6. Step 6: Final answer
    x = 7,560.61

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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.