Home / 4,270.56-6,407.76-2,319.84

Finding the Fourth Proportional to 4,270.56, 6,407.76 and 2,319.84

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Solution

The fourth proportional to 4,270.56, 6,407.76 and 2,319.84 is: 3,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.56 : 6,407.76 = 2,319.84 : x
  2. Step 2: Convert to fraction form
    4,270.56/6,407.76 = 2,319.84/x
  3. Step 3: Cross multiply
    4,270.56x = 6,407.76 × 2,319.84
  4. Step 4: Simplify right side
    4,270.56x = 14,864,977.96
  5. Step 5: Solve for x
    x = 14,864,977.96/4,270.56
  6. Step 6: Final answer
    x = 3,480.80

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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.