Home / 5,141.84-7,717.08-4,122.32

Finding the Fourth Proportional to 5,141.84, 7,717.08 and 4,122.32

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Solution

The fourth proportional to 5,141.84, 7,717.08 and 4,122.32 is: 6,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.84 : 7,717.08 = 4,122.32 : x
  2. Step 2: Convert to fraction form
    5,141.84/7,717.08 = 4,122.32/x
  3. Step 3: Cross multiply
    5,141.84x = 7,717.08 × 4,122.32
  4. Step 4: Simplify right side
    5,141.84x = 31,812,273.23
  5. Step 5: Solve for x
    x = 31,812,273.23/5,141.84
  6. Step 6: Final answer
    x = 6,186.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.