Home / 5,590.62-7,718.45-3,703.83

Finding the Fourth Proportional to 5,590.62, 7,718.45 and 3,703.83

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Solution

The fourth proportional to 5,590.62, 7,718.45 and 3,703.83 is: 5,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.62 : 7,718.45 = 3,703.83 : x
  2. Step 2: Convert to fraction form
    5,590.62/7,718.45 = 3,703.83/x
  3. Step 3: Cross multiply
    5,590.62x = 7,718.45 × 3,703.83
  4. Step 4: Simplify right side
    5,590.62x = 28,587,808.14
  5. Step 5: Solve for x
    x = 28,587,808.14/5,590.62
  6. Step 6: Final answer
    x = 5,113.53

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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.