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Finding the Fourth Proportional to 5,582.27, 7,703.93 and 3,690.57

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Solution

The fourth proportional to 5,582.27, 7,703.93 and 3,690.57 is: 5,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.27 : 7,703.93 = 3,690.57 : x
  2. Step 2: Convert to fraction form
    5,582.27/7,703.93 = 3,690.57/x
  3. Step 3: Cross multiply
    5,582.27x = 7,703.93 × 3,690.57
  4. Step 4: Simplify right side
    5,582.27x = 28,431,860.04
  5. Step 5: Solve for x
    x = 28,431,860.04/5,582.27
  6. Step 6: Final answer
    x = 5,093.24

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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.