Home / 4,816.32-7,221.52-1,528.48

Finding the Fourth Proportional to 4,816.32, 7,221.52 and 1,528.48

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Solution

The fourth proportional to 4,816.32, 7,221.52 and 1,528.48 is: 2,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.32 : 7,221.52 = 1,528.48 : x
  2. Step 2: Convert to fraction form
    4,816.32/7,221.52 = 1,528.48/x
  3. Step 3: Cross multiply
    4,816.32x = 7,221.52 × 1,528.48
  4. Step 4: Simplify right side
    4,816.32x = 11,037,948.89
  5. Step 5: Solve for x
    x = 11,037,948.89/4,816.32
  6. Step 6: Final answer
    x = 2,291.78

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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.