Home / 5,435.52-8,154.36-1,972.32

Finding the Fourth Proportional to 5,435.52, 8,154.36 and 1,972.32

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Solution

The fourth proportional to 5,435.52, 8,154.36 and 1,972.32 is: 2,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.52 : 8,154.36 = 1,972.32 : x
  2. Step 2: Convert to fraction form
    5,435.52/8,154.36 = 1,972.32/x
  3. Step 3: Cross multiply
    5,435.52x = 8,154.36 × 1,972.32
  4. Step 4: Simplify right side
    5,435.52x = 16,083,007.32
  5. Step 5: Solve for x
    x = 16,083,007.32/5,435.52
  6. Step 6: Final answer
    x = 2,958.87

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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.