Home / 7,993.97-11,031.72-4,457.40

Finding the Fourth Proportional to 7,993.97, 11,031.72 and 4,457.40

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Solution

The fourth proportional to 7,993.97, 11,031.72 and 4,457.40 is: 6,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.97 : 11,031.72 = 4,457.40 : x
  2. Step 2: Convert to fraction form
    7,993.97/11,031.72 = 4,457.40/x
  3. Step 3: Cross multiply
    7,993.97x = 11,031.72 × 4,457.40
  4. Step 4: Simplify right side
    7,993.97x = 49,172,788.73
  5. Step 5: Solve for x
    x = 49,172,788.73/7,993.97
  6. Step 6: Final answer
    x = 6,151.24

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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.