Home / 5,432.16-8,148.26-1,328.16

Finding the Fourth Proportional to 5,432.16, 8,148.26 and 1,328.16

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Solution

The fourth proportional to 5,432.16, 8,148.26 and 1,328.16 is: 1,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.16 : 8,148.26 = 1,328.16 : x
  2. Step 2: Convert to fraction form
    5,432.16/8,148.26 = 1,328.16/x
  3. Step 3: Cross multiply
    5,432.16x = 8,148.26 × 1,328.16
  4. Step 4: Simplify right side
    5,432.16x = 10,822,193.00
  5. Step 5: Solve for x
    x = 10,822,193.00/5,432.16
  6. Step 6: Final answer
    x = 1,992.24

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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.