Home / 7,966.43-10,992.60-4,428.95

Finding the Fourth Proportional to 7,966.43, 10,992.60 and 4,428.95

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Solution

The fourth proportional to 7,966.43, 10,992.60 and 4,428.95 is: 6,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.43 : 10,992.60 = 4,428.95 : x
  2. Step 2: Convert to fraction form
    7,966.43/10,992.60 = 4,428.95/x
  3. Step 3: Cross multiply
    7,966.43x = 10,992.60 × 4,428.95
  4. Step 4: Simplify right side
    7,966.43x = 48,685,703.25
  5. Step 5: Solve for x
    x = 48,685,703.25/7,966.43
  6. Step 6: Final answer
    x = 6,111.36

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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.