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Finding the Fourth Proportional to 4,482.58, 6,722.78 and 1,404.58

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Solution

The fourth proportional to 4,482.58, 6,722.78 and 1,404.58 is: 2,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.58 : 6,722.78 = 1,404.58 : x
  2. Step 2: Convert to fraction form
    4,482.58/6,722.78 = 1,404.58/x
  3. Step 3: Cross multiply
    4,482.58x = 6,722.78 × 1,404.58
  4. Step 4: Simplify right side
    4,482.58x = 9,442,682.33
  5. Step 5: Solve for x
    x = 9,442,682.33/4,482.58
  6. Step 6: Final answer
    x = 2,106.53

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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.