Home / 4,878.45-7,318.59-1,716.21

Finding the Fourth Proportional to 4,878.45, 7,318.59 and 1,716.21

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Solution

The fourth proportional to 4,878.45, 7,318.59 and 1,716.21 is: 2,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.45 : 7,318.59 = 1,716.21 : x
  2. Step 2: Convert to fraction form
    4,878.45/7,318.59 = 1,716.21/x
  3. Step 3: Cross multiply
    4,878.45x = 7,318.59 × 1,716.21
  4. Step 4: Simplify right side
    4,878.45x = 12,560,237.34
  5. Step 5: Solve for x
    x = 12,560,237.34/4,878.45
  6. Step 6: Final answer
    x = 2,574.64

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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.