Home / 4,318.84-6,478.06-1,357.21

Finding the Fourth Proportional to 4,318.84, 6,478.06 and 1,357.21

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Solution

The fourth proportional to 4,318.84, 6,478.06 and 1,357.21 is: 2,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.84 : 6,478.06 = 1,357.21 : x
  2. Step 2: Convert to fraction form
    4,318.84/6,478.06 = 1,357.21/x
  3. Step 3: Cross multiply
    4,318.84x = 6,478.06 × 1,357.21
  4. Step 4: Simplify right side
    4,318.84x = 8,792,087.81
  5. Step 5: Solve for x
    x = 8,792,087.81/4,318.84
  6. Step 6: Final answer
    x = 2,035.75

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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.