Home / 4,752.12-7,129.77-2,676.19

Finding the Fourth Proportional to 4,752.12, 7,129.77 and 2,676.19

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Solution

The fourth proportional to 4,752.12, 7,129.77 and 2,676.19 is: 4,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.12 : 7,129.77 = 2,676.19 : x
  2. Step 2: Convert to fraction form
    4,752.12/7,129.77 = 2,676.19/x
  3. Step 3: Cross multiply
    4,752.12x = 7,129.77 × 2,676.19
  4. Step 4: Simplify right side
    4,752.12x = 19,080,619.74
  5. Step 5: Solve for x
    x = 19,080,619.74/4,752.12
  6. Step 6: Final answer
    x = 4,015.18

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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.