Home / 6,129.80-9,198.86-4,045.32

Finding the Fourth Proportional to 6,129.80, 9,198.86 and 4,045.32

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Solution

The fourth proportional to 6,129.80, 9,198.86 and 4,045.32 is: 6,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.80 : 9,198.86 = 4,045.32 : x
  2. Step 2: Convert to fraction form
    6,129.80/9,198.86 = 4,045.32/x
  3. Step 3: Cross multiply
    6,129.80x = 9,198.86 × 4,045.32
  4. Step 4: Simplify right side
    6,129.80x = 37,212,332.34
  5. Step 5: Solve for x
    x = 37,212,332.34/6,129.80
  6. Step 6: Final answer
    x = 6,070.73

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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.