Home / 4,850.51-7,275.90-1,387.76

Finding the Fourth Proportional to 4,850.51, 7,275.90 and 1,387.76

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Solution

The fourth proportional to 4,850.51, 7,275.90 and 1,387.76 is: 2,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.51 : 7,275.90 = 1,387.76 : x
  2. Step 2: Convert to fraction form
    4,850.51/7,275.90 = 1,387.76/x
  3. Step 3: Cross multiply
    4,850.51x = 7,275.90 × 1,387.76
  4. Step 4: Simplify right side
    4,850.51x = 10,097,202.98
  5. Step 5: Solve for x
    x = 10,097,202.98/4,850.51
  6. Step 6: Final answer
    x = 2,081.68

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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.