Home / 6,287.20-8,666.22-5,536.36

Finding the Fourth Proportional to 6,287.20, 8,666.22 and 5,536.36

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Solution

The fourth proportional to 6,287.20, 8,666.22 and 5,536.36 is: 7,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.20 : 8,666.22 = 5,536.36 : x
  2. Step 2: Convert to fraction form
    6,287.20/8,666.22 = 5,536.36/x
  3. Step 3: Cross multiply
    6,287.20x = 8,666.22 × 5,536.36
  4. Step 4: Simplify right side
    6,287.20x = 47,979,313.76
  5. Step 5: Solve for x
    x = 47,979,313.76/6,287.20
  6. Step 6: Final answer
    x = 7,631.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.