Home / 8,972.68-13,455.06-4,811.44

Finding the Fourth Proportional to 8,972.68, 13,455.06 and 4,811.44

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Solution

The fourth proportional to 8,972.68, 13,455.06 and 4,811.44 is: 7,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.68 : 13,455.06 = 4,811.44 : x
  2. Step 2: Convert to fraction form
    8,972.68/13,455.06 = 4,811.44/x
  3. Step 3: Cross multiply
    8,972.68x = 13,455.06 × 4,811.44
  4. Step 4: Simplify right side
    8,972.68x = 64,738,213.89
  5. Step 5: Solve for x
    x = 64,738,213.89/8,972.68
  6. Step 6: Final answer
    x = 7,215.04

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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.