Home / 7,644.01-11,465.97-3,690.66

Finding the Fourth Proportional to 7,644.01, 11,465.97 and 3,690.66

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Solution

The fourth proportional to 7,644.01, 11,465.97 and 3,690.66 is: 5,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.01 : 11,465.97 = 3,690.66 : x
  2. Step 2: Convert to fraction form
    7,644.01/11,465.97 = 3,690.66/x
  3. Step 3: Cross multiply
    7,644.01x = 11,465.97 × 3,690.66
  4. Step 4: Simplify right side
    7,644.01x = 42,316,996.84
  5. Step 5: Solve for x
    x = 42,316,996.84/7,644.01
  6. Step 6: Final answer
    x = 5,535.97

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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.