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Finding the Fourth Proportional to 6,358.90, 9,536.10 and 2,659.18

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Solution

The fourth proportional to 6,358.90, 9,536.10 and 2,659.18 is: 3,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.90 : 9,536.10 = 2,659.18 : x
  2. Step 2: Convert to fraction form
    6,358.90/9,536.10 = 2,659.18/x
  3. Step 3: Cross multiply
    6,358.90x = 9,536.10 × 2,659.18
  4. Step 4: Simplify right side
    6,358.90x = 25,358,206.40
  5. Step 5: Solve for x
    x = 25,358,206.40/6,358.90
  6. Step 6: Final answer
    x = 3,987.83

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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.