Home / 4,554.90-6,828.71-4,190.40

Finding the Fourth Proportional to 4,554.90, 6,828.71 and 4,190.40

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Solution

The fourth proportional to 4,554.90, 6,828.71 and 4,190.40 is: 6,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.90 : 6,828.71 = 4,190.40 : x
  2. Step 2: Convert to fraction form
    4,554.90/6,828.71 = 4,190.40/x
  3. Step 3: Cross multiply
    4,554.90x = 6,828.71 × 4,190.40
  4. Step 4: Simplify right side
    4,554.90x = 28,615,005.43
  5. Step 5: Solve for x
    x = 28,615,005.43/4,554.90
  6. Step 6: Final answer
    x = 6,282.25

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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.