Home / 6,238.10-9,358.45-2,079.40

Finding the Fourth Proportional to 6,238.10, 9,358.45 and 2,079.40

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Solution

The fourth proportional to 6,238.10, 9,358.45 and 2,079.40 is: 3,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.10 : 9,358.45 = 2,079.40 : x
  2. Step 2: Convert to fraction form
    6,238.10/9,358.45 = 2,079.40/x
  3. Step 3: Cross multiply
    6,238.10x = 9,358.45 × 2,079.40
  4. Step 4: Simplify right side
    6,238.10x = 19,459,960.93
  5. Step 5: Solve for x
    x = 19,459,960.93/6,238.10
  6. Step 6: Final answer
    x = 3,119.53

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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.