Home / 5,440.52-8,161.86-1,977.32

Finding the Fourth Proportional to 5,440.52, 8,161.86 and 1,977.32

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Solution

The fourth proportional to 5,440.52, 8,161.86 and 1,977.32 is: 2,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.52 : 8,161.86 = 1,977.32 : x
  2. Step 2: Convert to fraction form
    5,440.52/8,161.86 = 1,977.32/x
  3. Step 3: Cross multiply
    5,440.52x = 8,161.86 × 1,977.32
  4. Step 4: Simplify right side
    5,440.52x = 16,138,609.02
  5. Step 5: Solve for x
    x = 16,138,609.02/5,440.52
  6. Step 6: Final answer
    x = 2,966.37

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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.