Home / 4,191.50-6,287.04-1,418.28

Finding the Fourth Proportional to 4,191.50, 6,287.04 and 1,418.28

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Solution

The fourth proportional to 4,191.50, 6,287.04 and 1,418.28 is: 2,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.50 : 6,287.04 = 1,418.28 : x
  2. Step 2: Convert to fraction form
    4,191.50/6,287.04 = 1,418.28/x
  3. Step 3: Cross multiply
    4,191.50x = 6,287.04 × 1,418.28
  4. Step 4: Simplify right side
    4,191.50x = 8,916,783.09
  5. Step 5: Solve for x
    x = 8,916,783.09/4,191.50
  6. Step 6: Final answer
    x = 2,127.35

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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.