Home / 7,631.61-11,446.23-2,953.79

Finding the Fourth Proportional to 7,631.61, 11,446.23 and 2,953.79

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Solution

The fourth proportional to 7,631.61, 11,446.23 and 2,953.79 is: 4,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.61 : 11,446.23 = 2,953.79 : x
  2. Step 2: Convert to fraction form
    7,631.61/11,446.23 = 2,953.79/x
  3. Step 3: Cross multiply
    7,631.61x = 11,446.23 × 2,953.79
  4. Step 4: Simplify right side
    7,631.61x = 33,809,759.71
  5. Step 5: Solve for x
    x = 33,809,759.71/7,631.61
  6. Step 6: Final answer
    x = 4,430.23

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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.