Home / 6,402.82-8,835.85-3,570.22

Finding the Fourth Proportional to 6,402.82, 8,835.85 and 3,570.22

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Solution

The fourth proportional to 6,402.82, 8,835.85 and 3,570.22 is: 4,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.82 : 8,835.85 = 3,570.22 : x
  2. Step 2: Convert to fraction form
    6,402.82/8,835.85 = 3,570.22/x
  3. Step 3: Cross multiply
    6,402.82x = 8,835.85 × 3,570.22
  4. Step 4: Simplify right side
    6,402.82x = 31,545,958.70
  5. Step 5: Solve for x
    x = 31,545,958.70/6,402.82
  6. Step 6: Final answer
    x = 4,926.89

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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.