Home / 4,319.08-6,476.70-2,127.72

Finding the Fourth Proportional to 4,319.08, 6,476.70 and 2,127.72

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Solution

The fourth proportional to 4,319.08, 6,476.70 and 2,127.72 is: 3,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.08 : 6,476.70 = 2,127.72 : x
  2. Step 2: Convert to fraction form
    4,319.08/6,476.70 = 2,127.72/x
  3. Step 3: Cross multiply
    4,319.08x = 6,476.70 × 2,127.72
  4. Step 4: Simplify right side
    4,319.08x = 13,780,604.12
  5. Step 5: Solve for x
    x = 13,780,604.12/4,319.08
  6. Step 6: Final answer
    x = 3,190.63

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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.