Home / 4,262.40-6,393.60-2,538.72

Finding the Fourth Proportional to 4,262.40, 6,393.60 and 2,538.72

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Solution

The fourth proportional to 4,262.40, 6,393.60 and 2,538.72 is: 3,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.40 : 6,393.60 = 2,538.72 : x
  2. Step 2: Convert to fraction form
    4,262.40/6,393.60 = 2,538.72/x
  3. Step 3: Cross multiply
    4,262.40x = 6,393.60 × 2,538.72
  4. Step 4: Simplify right side
    4,262.40x = 16,231,560.19
  5. Step 5: Solve for x
    x = 16,231,560.19/4,262.40
  6. Step 6: Final answer
    x = 3,808.08

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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.