Home / 6,126.86-9,185.76-1,964.45

Finding the Fourth Proportional to 6,126.86, 9,185.76 and 1,964.45

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Solution

The fourth proportional to 6,126.86, 9,185.76 and 1,964.45 is: 2,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.86 : 9,185.76 = 1,964.45 : x
  2. Step 2: Convert to fraction form
    6,126.86/9,185.76 = 1,964.45/x
  3. Step 3: Cross multiply
    6,126.86x = 9,185.76 × 1,964.45
  4. Step 4: Simplify right side
    6,126.86x = 18,044,966.23
  5. Step 5: Solve for x
    x = 18,044,966.23/6,126.86
  6. Step 6: Final answer
    x = 2,945.22

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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.