Home / 4,220.38-6,314.50-2,548.35

Finding the Fourth Proportional to 4,220.38, 6,314.50 and 2,548.35

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Solution

The fourth proportional to 4,220.38, 6,314.50 and 2,548.35 is: 3,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.38 : 6,314.50 = 2,548.35 : x
  2. Step 2: Convert to fraction form
    4,220.38/6,314.50 = 2,548.35/x
  3. Step 3: Cross multiply
    4,220.38x = 6,314.50 × 2,548.35
  4. Step 4: Simplify right side
    4,220.38x = 16,091,518.13
  5. Step 5: Solve for x
    x = 16,091,518.13/4,220.38
  6. Step 6: Final answer
    x = 3,812.82

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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.