Home / 7,981.52-11,014.92-4,837.52

Finding the Fourth Proportional to 7,981.52, 11,014.92 and 4,837.52

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Solution

The fourth proportional to 7,981.52, 11,014.92 and 4,837.52 is: 6,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.52 : 11,014.92 = 4,837.52 : x
  2. Step 2: Convert to fraction form
    7,981.52/11,014.92 = 4,837.52/x
  3. Step 3: Cross multiply
    7,981.52x = 11,014.92 × 4,837.52
  4. Step 4: Simplify right side
    7,981.52x = 53,284,895.80
  5. Step 5: Solve for x
    x = 53,284,895.80/7,981.52
  6. Step 6: Final answer
    x = 6,676.03

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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.