Home / 7,146.93-9,862.59-4,162.98

Finding the Fourth Proportional to 7,146.93, 9,862.59 and 4,162.98

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Solution

The fourth proportional to 7,146.93, 9,862.59 and 4,162.98 is: 5,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.93 : 9,862.59 = 4,162.98 : x
  2. Step 2: Convert to fraction form
    7,146.93/9,862.59 = 4,162.98/x
  3. Step 3: Cross multiply
    7,146.93x = 9,862.59 × 4,162.98
  4. Step 4: Simplify right side
    7,146.93x = 41,057,764.92
  5. Step 5: Solve for x
    x = 41,057,764.92/7,146.93
  6. Step 6: Final answer
    x = 5,744.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.