Home / 7,994.92-11,038.13-5,163.57

Finding the Fourth Proportional to 7,994.92, 11,038.13 and 5,163.57

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Solution

The fourth proportional to 7,994.92, 11,038.13 and 5,163.57 is: 7,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.92 : 11,038.13 = 5,163.57 : x
  2. Step 2: Convert to fraction form
    7,994.92/11,038.13 = 5,163.57/x
  3. Step 3: Cross multiply
    7,994.92x = 11,038.13 × 5,163.57
  4. Step 4: Simplify right side
    7,994.92x = 56,996,156.92
  5. Step 5: Solve for x
    x = 56,996,156.92/7,994.92
  6. Step 6: Final answer
    x = 7,129.05

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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.