Home / 4,225.71-6,316.96-3,119.79

Finding the Fourth Proportional to 4,225.71, 6,316.96 and 3,119.79

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Solution

The fourth proportional to 4,225.71, 6,316.96 and 3,119.79 is: 4,663.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.71 : 6,316.96 = 3,119.79 : x
  2. Step 2: Convert to fraction form
    4,225.71/6,316.96 = 3,119.79/x
  3. Step 3: Cross multiply
    4,225.71x = 6,316.96 × 3,119.79
  4. Step 4: Simplify right side
    4,225.71x = 19,707,580.84
  5. Step 5: Solve for x
    x = 19,707,580.84/4,225.71
  6. Step 6: Final answer
    x = 4,663.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.