Home / 7,628.16-11,443.85-2,630.99

Finding the Fourth Proportional to 7,628.16, 11,443.85 and 2,630.99

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Solution

The fourth proportional to 7,628.16, 11,443.85 and 2,630.99 is: 3,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.16 : 11,443.85 = 2,630.99 : x
  2. Step 2: Convert to fraction form
    7,628.16/11,443.85 = 2,630.99/x
  3. Step 3: Cross multiply
    7,628.16x = 11,443.85 × 2,630.99
  4. Step 4: Simplify right side
    7,628.16x = 30,108,654.91
  5. Step 5: Solve for x
    x = 30,108,654.91/7,628.16
  6. Step 6: Final answer
    x = 3,947.04

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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.