Home / 4,487.81-6,730.70-1,713.49

Finding the Fourth Proportional to 4,487.81, 6,730.70 and 1,713.49

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Solution

The fourth proportional to 4,487.81, 6,730.70 and 1,713.49 is: 2,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.81 : 6,730.70 = 1,713.49 : x
  2. Step 2: Convert to fraction form
    4,487.81/6,730.70 = 1,713.49/x
  3. Step 3: Cross multiply
    4,487.81x = 6,730.70 × 1,713.49
  4. Step 4: Simplify right side
    4,487.81x = 11,532,961.75
  5. Step 5: Solve for x
    x = 11,532,961.75/4,487.81
  6. Step 6: Final answer
    x = 2,569.84

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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.