Home / 5,674.36-7,830.66-3,156.52

Finding the Fourth Proportional to 5,674.36, 7,830.66 and 3,156.52

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Solution

The fourth proportional to 5,674.36, 7,830.66 and 3,156.52 is: 4,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.36 : 7,830.66 = 3,156.52 : x
  2. Step 2: Convert to fraction form
    5,674.36/7,830.66 = 3,156.52/x
  3. Step 3: Cross multiply
    5,674.36x = 7,830.66 × 3,156.52
  4. Step 4: Simplify right side
    5,674.36x = 24,717,634.90
  5. Step 5: Solve for x
    x = 24,717,634.90/5,674.36
  6. Step 6: Final answer
    x = 4,356.02

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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.