Home / 5,815.08-8,722.62-4,784.91

Finding the Fourth Proportional to 5,815.08, 8,722.62 and 4,784.91

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Solution

The fourth proportional to 5,815.08, 8,722.62 and 4,784.91 is: 7,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.08 : 8,722.62 = 4,784.91 : x
  2. Step 2: Convert to fraction form
    5,815.08/8,722.62 = 4,784.91/x
  3. Step 3: Cross multiply
    5,815.08x = 8,722.62 × 4,784.91
  4. Step 4: Simplify right side
    5,815.08x = 41,736,927.74
  5. Step 5: Solve for x
    x = 41,736,927.74/5,815.08
  6. Step 6: Final answer
    x = 7,177.37

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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.