Home / 5,268.90-7,897.52-3,814.40

Finding the Fourth Proportional to 5,268.90, 7,897.52 and 3,814.40

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Solution

The fourth proportional to 5,268.90, 7,897.52 and 3,814.40 is: 5,717.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.90 : 7,897.52 = 3,814.40 : x
  2. Step 2: Convert to fraction form
    5,268.90/7,897.52 = 3,814.40/x
  3. Step 3: Cross multiply
    5,268.90x = 7,897.52 × 3,814.40
  4. Step 4: Simplify right side
    5,268.90x = 30,124,300.29
  5. Step 5: Solve for x
    x = 30,124,300.29/5,268.90
  6. Step 6: Final answer
    x = 5,717.38

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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.