Home / 6,129.03-9,192.81-1,687.15

Finding the Fourth Proportional to 6,129.03, 9,192.81 and 1,687.15

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Solution

The fourth proportional to 6,129.03, 9,192.81 and 1,687.15 is: 2,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.03 : 9,192.81 = 1,687.15 : x
  2. Step 2: Convert to fraction form
    6,129.03/9,192.81 = 1,687.15/x
  3. Step 3: Cross multiply
    6,129.03x = 9,192.81 × 1,687.15
  4. Step 4: Simplify right side
    6,129.03x = 15,509,649.39
  5. Step 5: Solve for x
    x = 15,509,649.39/6,129.03
  6. Step 6: Final answer
    x = 2,530.52

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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.