Home / 7,966.26-10,993.04-4,428.78

Finding the Fourth Proportional to 7,966.26, 10,993.04 and 4,428.78

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Solution

The fourth proportional to 7,966.26, 10,993.04 and 4,428.78 is: 6,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.26 : 10,993.04 = 4,428.78 : x
  2. Step 2: Convert to fraction form
    7,966.26/10,993.04 = 4,428.78/x
  3. Step 3: Cross multiply
    7,966.26x = 10,993.04 × 4,428.78
  4. Step 4: Simplify right side
    7,966.26x = 48,685,733.55
  5. Step 5: Solve for x
    x = 48,685,733.55/7,966.26
  6. Step 6: Final answer
    x = 6,111.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.