Home / 5,007.79-6,904.46-3,212.10

Finding the Fourth Proportional to 5,007.79, 6,904.46 and 3,212.10

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Solution

The fourth proportional to 5,007.79, 6,904.46 and 3,212.10 is: 4,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.79 : 6,904.46 = 3,212.10 : x
  2. Step 2: Convert to fraction form
    5,007.79/6,904.46 = 3,212.10/x
  3. Step 3: Cross multiply
    5,007.79x = 6,904.46 × 3,212.10
  4. Step 4: Simplify right side
    5,007.79x = 22,177,815.97
  5. Step 5: Solve for x
    x = 22,177,815.97/5,007.79
  6. Step 6: Final answer
    x = 4,428.66

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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.