Home / 5,328.23-7,992.32-1,432.64

Finding the Fourth Proportional to 5,328.23, 7,992.32 and 1,432.64

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Solution

The fourth proportional to 5,328.23, 7,992.32 and 1,432.64 is: 2,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.23 : 7,992.32 = 1,432.64 : x
  2. Step 2: Convert to fraction form
    5,328.23/7,992.32 = 1,432.64/x
  3. Step 3: Cross multiply
    5,328.23x = 7,992.32 × 1,432.64
  4. Step 4: Simplify right side
    5,328.23x = 11,450,080.94
  5. Step 5: Solve for x
    x = 11,450,080.94/5,328.23
  6. Step 6: Final answer
    x = 2,148.95

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1.5x scale

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.