Home / 7,830.48-11,749.97-4,545.93

Finding the Fourth Proportional to 7,830.48, 11,749.97 and 4,545.93

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Solution

The fourth proportional to 7,830.48, 11,749.97 and 4,545.93 is: 6,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.48 : 11,749.97 = 4,545.93 : x
  2. Step 2: Convert to fraction form
    7,830.48/11,749.97 = 4,545.93/x
  3. Step 3: Cross multiply
    7,830.48x = 11,749.97 × 4,545.93
  4. Step 4: Simplify right side
    7,830.48x = 53,414,541.12
  5. Step 5: Solve for x
    x = 53,414,541.12/7,830.48
  6. Step 6: Final answer
    x = 6,821.36

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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.