Home / 4,270.84-6,407.96-2,079.32

Finding the Fourth Proportional to 4,270.84, 6,407.96 and 2,079.32

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Solution

The fourth proportional to 4,270.84, 6,407.96 and 2,079.32 is: 3,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.84 : 6,407.96 = 2,079.32 : x
  2. Step 2: Convert to fraction form
    4,270.84/6,407.96 = 2,079.32/x
  3. Step 3: Cross multiply
    4,270.84x = 6,407.96 × 2,079.32
  4. Step 4: Simplify right side
    4,270.84x = 13,324,199.39
  5. Step 5: Solve for x
    x = 13,324,199.39/4,270.84
  6. Step 6: Final answer
    x = 3,119.81

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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.