Home / 4,089.88-6,134.96-1,316.51

Finding the Fourth Proportional to 4,089.88, 6,134.96 and 1,316.51

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Solution

The fourth proportional to 4,089.88, 6,134.96 and 1,316.51 is: 1,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.88 : 6,134.96 = 1,316.51 : x
  2. Step 2: Convert to fraction form
    4,089.88/6,134.96 = 1,316.51/x
  3. Step 3: Cross multiply
    4,089.88x = 6,134.96 × 1,316.51
  4. Step 4: Simplify right side
    4,089.88x = 8,076,736.19
  5. Step 5: Solve for x
    x = 8,076,736.19/4,089.88
  6. Step 6: Final answer
    x = 1,974.81

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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.