Home / 4,748.06-7,124.70-1,786.40

Finding the Fourth Proportional to 4,748.06, 7,124.70 and 1,786.40

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Solution

The fourth proportional to 4,748.06, 7,124.70 and 1,786.40 is: 2,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.06 : 7,124.70 = 1,786.40 : x
  2. Step 2: Convert to fraction form
    4,748.06/7,124.70 = 1,786.40/x
  3. Step 3: Cross multiply
    4,748.06x = 7,124.70 × 1,786.40
  4. Step 4: Simplify right side
    4,748.06x = 12,727,564.08
  5. Step 5: Solve for x
    x = 12,727,564.08/4,748.06
  6. Step 6: Final answer
    x = 2,680.58

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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.