Home / 5,214.69-7,820.07-1,703.87

Finding the Fourth Proportional to 5,214.69, 7,820.07 and 1,703.87

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Solution

The fourth proportional to 5,214.69, 7,820.07 and 1,703.87 is: 2,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.69 : 7,820.07 = 1,703.87 : x
  2. Step 2: Convert to fraction form
    5,214.69/7,820.07 = 1,703.87/x
  3. Step 3: Cross multiply
    5,214.69x = 7,820.07 × 1,703.87
  4. Step 4: Simplify right side
    5,214.69x = 13,324,343.57
  5. Step 5: Solve for x
    x = 13,324,343.57/5,214.69
  6. Step 6: Final answer
    x = 2,555.16

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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.