Home / 7,942.05-10,955.01-5,113.11

Finding the Fourth Proportional to 7,942.05, 10,955.01 and 5,113.11

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Solution

The fourth proportional to 7,942.05, 10,955.01 and 5,113.11 is: 7,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.05 : 10,955.01 = 5,113.11 : x
  2. Step 2: Convert to fraction form
    7,942.05/10,955.01 = 5,113.11/x
  3. Step 3: Cross multiply
    7,942.05x = 10,955.01 × 5,113.11
  4. Step 4: Simplify right side
    7,942.05x = 56,014,171.18
  5. Step 5: Solve for x
    x = 56,014,171.18/7,942.05
  6. Step 6: Final answer
    x = 7,052.86

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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.