Home / 4,857.15-7,286.85-1,570.10

Finding the Fourth Proportional to 4,857.15, 7,286.85 and 1,570.10

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Solution

The fourth proportional to 4,857.15, 7,286.85 and 1,570.10 is: 2,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.15 : 7,286.85 = 1,570.10 : x
  2. Step 2: Convert to fraction form
    4,857.15/7,286.85 = 1,570.10/x
  3. Step 3: Cross multiply
    4,857.15x = 7,286.85 × 1,570.10
  4. Step 4: Simplify right side
    4,857.15x = 11,441,046.75
  5. Step 5: Solve for x
    x = 11,441,046.75/4,857.15
  6. Step 6: Final answer
    x = 2,355.51

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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.