Home / 7,620.33-11,430.49-2,426.20

Finding the Fourth Proportional to 7,620.33, 11,430.49 and 2,426.20

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Solution

The fourth proportional to 7,620.33, 11,430.49 and 2,426.20 is: 3,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.33 : 11,430.49 = 2,426.20 : x
  2. Step 2: Convert to fraction form
    7,620.33/11,430.49 = 2,426.20/x
  3. Step 3: Cross multiply
    7,620.33x = 11,430.49 × 2,426.20
  4. Step 4: Simplify right side
    7,620.33x = 27,732,695.87
  5. Step 5: Solve for x
    x = 27,732,695.87/7,620.33
  6. Step 6: Final answer
    x = 3,639.30

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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.