Home / 5,623.59-7,758.68-3,636.66

Finding the Fourth Proportional to 5,623.59, 7,758.68 and 3,636.66

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Solution

The fourth proportional to 5,623.59, 7,758.68 and 3,636.66 is: 5,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.59 : 7,758.68 = 3,636.66 : x
  2. Step 2: Convert to fraction form
    5,623.59/7,758.68 = 3,636.66/x
  3. Step 3: Cross multiply
    5,623.59x = 7,758.68 × 3,636.66
  4. Step 4: Simplify right side
    5,623.59x = 28,215,663.03
  5. Step 5: Solve for x
    x = 28,215,663.03/5,623.59
  6. Step 6: Final answer
    x = 5,017.38

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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.