Home / 5,432.86-8,148.39-1,536.31

Finding the Fourth Proportional to 5,432.86, 8,148.39 and 1,536.31

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Solution

The fourth proportional to 5,432.86, 8,148.39 and 1,536.31 is: 2,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.86 : 8,148.39 = 1,536.31 : x
  2. Step 2: Convert to fraction form
    5,432.86/8,148.39 = 1,536.31/x
  3. Step 3: Cross multiply
    5,432.86x = 8,148.39 × 1,536.31
  4. Step 4: Simplify right side
    5,432.86x = 12,518,453.04
  5. Step 5: Solve for x
    x = 12,518,453.04/5,432.86
  6. Step 6: Final answer
    x = 2,304.21

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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.