Home / 5,717.07-7,886.70-4,929.75

Finding the Fourth Proportional to 5,717.07, 7,886.70 and 4,929.75

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Solution

The fourth proportional to 5,717.07, 7,886.70 and 4,929.75 is: 6,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.07 : 7,886.70 = 4,929.75 : x
  2. Step 2: Convert to fraction form
    5,717.07/7,886.70 = 4,929.75/x
  3. Step 3: Cross multiply
    5,717.07x = 7,886.70 × 4,929.75
  4. Step 4: Simplify right side
    5,717.07x = 38,879,459.33
  5. Step 5: Solve for x
    x = 38,879,459.33/5,717.07
  6. Step 6: Final answer
    x = 6,800.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.