Home / 4,857.87-7,286.58-1,570.89

Finding the Fourth Proportional to 4,857.87, 7,286.58 and 1,570.89

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Solution

The fourth proportional to 4,857.87, 7,286.58 and 1,570.89 is: 2,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.87 : 7,286.58 = 1,570.89 : x
  2. Step 2: Convert to fraction form
    4,857.87/7,286.58 = 1,570.89/x
  3. Step 3: Cross multiply
    4,857.87x = 7,286.58 × 1,570.89
  4. Step 4: Simplify right side
    4,857.87x = 11,446,415.66
  5. Step 5: Solve for x
    x = 11,446,415.66/4,857.87
  6. Step 6: Final answer
    x = 2,356.26

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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.