Home / 4,689.09-7,034.21-1,571.33

Finding the Fourth Proportional to 4,689.09, 7,034.21 and 1,571.33

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Solution

The fourth proportional to 4,689.09, 7,034.21 and 1,571.33 is: 2,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.09 : 7,034.21 = 1,571.33 : x
  2. Step 2: Convert to fraction form
    4,689.09/7,034.21 = 1,571.33/x
  3. Step 3: Cross multiply
    4,689.09x = 7,034.21 × 1,571.33
  4. Step 4: Simplify right side
    4,689.09x = 11,053,080.82
  5. Step 5: Solve for x
    x = 11,053,080.82/4,689.09
  6. Step 6: Final answer
    x = 2,357.19

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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.