Home / 4,278.34-6,415.08-2,548.18

Finding the Fourth Proportional to 4,278.34, 6,415.08 and 2,548.18

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Solution

The fourth proportional to 4,278.34, 6,415.08 and 2,548.18 is: 3,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.34 : 6,415.08 = 2,548.18 : x
  2. Step 2: Convert to fraction form
    4,278.34/6,415.08 = 2,548.18/x
  3. Step 3: Cross multiply
    4,278.34x = 6,415.08 × 2,548.18
  4. Step 4: Simplify right side
    4,278.34x = 16,346,778.55
  5. Step 5: Solve for x
    x = 16,346,778.55/4,278.34
  6. Step 6: Final answer
    x = 3,820.82

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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.