Home / 5,590.42-8,386.64-1,842.40

Finding the Fourth Proportional to 5,590.42, 8,386.64 and 1,842.40

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Solution

The fourth proportional to 5,590.42, 8,386.64 and 1,842.40 is: 2,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.42 : 8,386.64 = 1,842.40 : x
  2. Step 2: Convert to fraction form
    5,590.42/8,386.64 = 1,842.40/x
  3. Step 3: Cross multiply
    5,590.42x = 8,386.64 × 1,842.40
  4. Step 4: Simplify right side
    5,590.42x = 15,451,545.54
  5. Step 5: Solve for x
    x = 15,451,545.54/5,590.42
  6. Step 6: Final answer
    x = 2,763.93

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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.