Home / 7,146.45-9,863.37-4,491.81

Finding the Fourth Proportional to 7,146.45, 9,863.37 and 4,491.81

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Solution

The fourth proportional to 7,146.45, 9,863.37 and 4,491.81 is: 6,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.45 : 9,863.37 = 4,491.81 : x
  2. Step 2: Convert to fraction form
    7,146.45/9,863.37 = 4,491.81/x
  3. Step 3: Cross multiply
    7,146.45x = 9,863.37 × 4,491.81
  4. Step 4: Simplify right side
    7,146.45x = 44,304,384.00
  5. Step 5: Solve for x
    x = 44,304,384.00/7,146.45
  6. Step 6: Final answer
    x = 6,199.50

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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.