Home / 4,765.74-7,148.96-1,479.06

Finding the Fourth Proportional to 4,765.74, 7,148.96 and 1,479.06

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Solution

The fourth proportional to 4,765.74, 7,148.96 and 1,479.06 is: 2,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.74 : 7,148.96 = 1,479.06 : x
  2. Step 2: Convert to fraction form
    4,765.74/7,148.96 = 1,479.06/x
  3. Step 3: Cross multiply
    4,765.74x = 7,148.96 × 1,479.06
  4. Step 4: Simplify right side
    4,765.74x = 10,573,738.93
  5. Step 5: Solve for x
    x = 10,573,738.93/4,765.74
  6. Step 6: Final answer
    x = 2,218.70

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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.