Home / 4,779.12-7,162.80-3,048.24

Finding the Fourth Proportional to 4,779.12, 7,162.80 and 3,048.24

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Solution

The fourth proportional to 4,779.12, 7,162.80 and 3,048.24 is: 4,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.12 : 7,162.80 = 3,048.24 : x
  2. Step 2: Convert to fraction form
    4,779.12/7,162.80 = 3,048.24/x
  3. Step 3: Cross multiply
    4,779.12x = 7,162.80 × 3,048.24
  4. Step 4: Simplify right side
    4,779.12x = 21,833,933.47
  5. Step 5: Solve for x
    x = 21,833,933.47/4,779.12
  6. Step 6: Final answer
    x = 4,568.61

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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.