Home / 7,895.26-11,838.91-2,628.40

Finding the Fourth Proportional to 7,895.26, 11,838.91 and 2,628.40

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Solution

The fourth proportional to 7,895.26, 11,838.91 and 2,628.40 is: 3,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.26 : 11,838.91 = 2,628.40 : x
  2. Step 2: Convert to fraction form
    7,895.26/11,838.91 = 2,628.40/x
  3. Step 3: Cross multiply
    7,895.26x = 11,838.91 × 2,628.40
  4. Step 4: Simplify right side
    7,895.26x = 31,117,382.00
  5. Step 5: Solve for x
    x = 31,117,382.00/7,895.26
  6. Step 6: Final answer
    x = 3,941.28

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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.