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Finding the Fourth Proportional to 4,357.80, 6,536.70 and 4,066.20

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Solution

The fourth proportional to 4,357.80, 6,536.70 and 4,066.20 is: 6,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357.80 : 6,536.70 = 4,066.20 : x
  2. Step 2: Convert to fraction form
    4,357.80/6,536.70 = 4,066.20/x
  3. Step 3: Cross multiply
    4,357.80x = 6,536.70 × 4,066.20
  4. Step 4: Simplify right side
    4,357.80x = 26,579,529.54
  5. Step 5: Solve for x
    x = 26,579,529.54/4,357.80
  6. Step 6: Final answer
    x = 6,099.30

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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.