Home / 6,678.55-10,016.46-4,218.18

Finding the Fourth Proportional to 6,678.55, 10,016.46 and 4,218.18

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Solution

The fourth proportional to 6,678.55, 10,016.46 and 4,218.18 is: 6,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.55 : 10,016.46 = 4,218.18 : x
  2. Step 2: Convert to fraction form
    6,678.55/10,016.46 = 4,218.18/x
  3. Step 3: Cross multiply
    6,678.55x = 10,016.46 × 4,218.18
  4. Step 4: Simplify right side
    6,678.55x = 42,251,193.68
  5. Step 5: Solve for x
    x = 42,251,193.68/6,678.55
  6. Step 6: Final answer
    x = 6,326.40

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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.