Home / 6,679.31-10,017.59-4,218.93

Finding the Fourth Proportional to 6,679.31, 10,017.59 and 4,218.93

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Solution

The fourth proportional to 6,679.31, 10,017.59 and 4,218.93 is: 6,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.31 : 10,017.59 = 4,218.93 : x
  2. Step 2: Convert to fraction form
    6,679.31/10,017.59 = 4,218.93/x
  3. Step 3: Cross multiply
    6,679.31x = 10,017.59 × 4,218.93
  4. Step 4: Simplify right side
    6,679.31x = 42,263,489.88
  5. Step 5: Solve for x
    x = 42,263,489.88/6,679.31
  6. Step 6: Final answer
    x = 6,327.53

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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.