Home / 5,436.24-8,153.28-1,972.32

Finding the Fourth Proportional to 5,436.24, 8,153.28 and 1,972.32

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Solution

The fourth proportional to 5,436.24, 8,153.28 and 1,972.32 is: 2,958.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.24 : 8,153.28 = 1,972.32 : x
  2. Step 2: Convert to fraction form
    5,436.24/8,153.28 = 1,972.32/x
  3. Step 3: Cross multiply
    5,436.24x = 8,153.28 × 1,972.32
  4. Step 4: Simplify right side
    5,436.24x = 16,080,877.21
  5. Step 5: Solve for x
    x = 16,080,877.21/5,436.24
  6. Step 6: Final answer
    x = 2,958.09

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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.