Home / 6,520.34-8,998.05-3,536.16

Finding the Fourth Proportional to 6,520.34, 8,998.05 and 3,536.16

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Solution

The fourth proportional to 6,520.34, 8,998.05 and 3,536.16 is: 4,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.34 : 8,998.05 = 3,536.16 : x
  2. Step 2: Convert to fraction form
    6,520.34/8,998.05 = 3,536.16/x
  3. Step 3: Cross multiply
    6,520.34x = 8,998.05 × 3,536.16
  4. Step 4: Simplify right side
    6,520.34x = 31,818,544.49
  5. Step 5: Solve for x
    x = 31,818,544.49/6,520.34
  6. Step 6: Final answer
    x = 4,879.89

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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.