Home / 7,620.50-11,430.98-2,426.38

Finding the Fourth Proportional to 7,620.50, 11,430.98 and 2,426.38

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Solution

The fourth proportional to 7,620.50, 11,430.98 and 2,426.38 is: 3,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.50 : 11,430.98 = 2,426.38 : x
  2. Step 2: Convert to fraction form
    7,620.50/11,430.98 = 2,426.38/x
  3. Step 3: Cross multiply
    7,620.50x = 11,430.98 × 2,426.38
  4. Step 4: Simplify right side
    7,620.50x = 27,735,901.25
  5. Step 5: Solve for x
    x = 27,735,901.25/7,620.50
  6. Step 6: Final answer
    x = 3,639.64

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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.