Home / 5,432.36-8,145.63-2,653.52

Finding the Fourth Proportional to 5,432.36, 8,145.63 and 2,653.52

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Solution

The fourth proportional to 5,432.36, 8,145.63 and 2,653.52 is: 3,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.36 : 8,145.63 = 2,653.52 : x
  2. Step 2: Convert to fraction form
    5,432.36/8,145.63 = 2,653.52/x
  3. Step 3: Cross multiply
    5,432.36x = 8,145.63 × 2,653.52
  4. Step 4: Simplify right side
    5,432.36x = 21,614,551.39
  5. Step 5: Solve for x
    x = 21,614,551.39/5,432.36
  6. Step 6: Final answer
    x = 3,978.85

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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.