Home / 6,072.40-9,108.62-1,689.86

Finding the Fourth Proportional to 6,072.40, 9,108.62 and 1,689.86

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Solution

The fourth proportional to 6,072.40, 9,108.62 and 1,689.86 is: 2,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.40 : 9,108.62 = 1,689.86 : x
  2. Step 2: Convert to fraction form
    6,072.40/9,108.62 = 1,689.86/x
  3. Step 3: Cross multiply
    6,072.40x = 9,108.62 × 1,689.86
  4. Step 4: Simplify right side
    6,072.40x = 15,392,292.59
  5. Step 5: Solve for x
    x = 15,392,292.59/6,072.40
  6. Step 6: Final answer
    x = 2,534.80

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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.