Home / 4,080.51-6,123.86-2,987.68

Finding the Fourth Proportional to 4,080.51, 6,123.86 and 2,987.68

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Solution

The fourth proportional to 4,080.51, 6,123.86 and 2,987.68 is: 4,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.51 : 6,123.86 = 2,987.68 : x
  2. Step 2: Convert to fraction form
    4,080.51/6,123.86 = 2,987.68/x
  3. Step 3: Cross multiply
    4,080.51x = 6,123.86 × 2,987.68
  4. Step 4: Simplify right side
    4,080.51x = 18,296,134.04
  5. Step 5: Solve for x
    x = 18,296,134.04/4,080.51
  6. Step 6: Final answer
    x = 4,483.79

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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.