Home / 4,077.28-6,120.48-3,809.62

Finding the Fourth Proportional to 4,077.28, 6,120.48 and 3,809.62

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Solution

The fourth proportional to 4,077.28, 6,120.48 and 3,809.62 is: 5,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.28 : 6,120.48 = 3,809.62 : x
  2. Step 2: Convert to fraction form
    4,077.28/6,120.48 = 3,809.62/x
  3. Step 3: Cross multiply
    4,077.28x = 6,120.48 × 3,809.62
  4. Step 4: Simplify right side
    4,077.28x = 23,316,703.02
  5. Step 5: Solve for x
    x = 23,316,703.02/4,077.28
  6. Step 6: Final answer
    x = 5,718.69

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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.