Home / 6,128.22-9,137.42-6,017.66

Finding the Fourth Proportional to 6,128.22, 9,137.42 and 6,017.66

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Solution

The fourth proportional to 6,128.22, 9,137.42 and 6,017.66 is: 8,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.22 : 9,137.42 = 6,017.66 : x
  2. Step 2: Convert to fraction form
    6,128.22/9,137.42 = 6,017.66/x
  3. Step 3: Cross multiply
    6,128.22x = 9,137.42 × 6,017.66
  4. Step 4: Simplify right side
    6,128.22x = 54,985,886.84
  5. Step 5: Solve for x
    x = 54,985,886.84/6,128.22
  6. Step 6: Final answer
    x = 8,972.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.