Home / 5,512.80-8,271.84-3,432.24

Finding the Fourth Proportional to 5,512.80, 8,271.84 and 3,432.24

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Solution

The fourth proportional to 5,512.80, 8,271.84 and 3,432.24 is: 5,150.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.80 : 8,271.84 = 3,432.24 : x
  2. Step 2: Convert to fraction form
    5,512.80/8,271.84 = 3,432.24/x
  3. Step 3: Cross multiply
    5,512.80x = 8,271.84 × 3,432.24
  4. Step 4: Simplify right side
    5,512.80x = 28,390,940.12
  5. Step 5: Solve for x
    x = 28,390,940.12/5,512.80
  6. Step 6: Final answer
    x = 5,150.00

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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.