Home / 5,433.90-8,152.58-2,660.87

Finding the Fourth Proportional to 5,433.90, 8,152.58 and 2,660.87

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Solution

The fourth proportional to 5,433.90, 8,152.58 and 2,660.87 is: 3,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.90 : 8,152.58 = 2,660.87 : x
  2. Step 2: Convert to fraction form
    5,433.90/8,152.58 = 2,660.87/x
  3. Step 3: Cross multiply
    5,433.90x = 8,152.58 × 2,660.87
  4. Step 4: Simplify right side
    5,433.90x = 21,692,955.54
  5. Step 5: Solve for x
    x = 21,692,955.54/5,433.90
  6. Step 6: Final answer
    x = 3,992.15

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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.