Home / 5,810.59-8,019.78-3,688.65

Finding the Fourth Proportional to 5,810.59, 8,019.78 and 3,688.65

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Solution

The fourth proportional to 5,810.59, 8,019.78 and 3,688.65 is: 5,091.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.59 : 8,019.78 = 3,688.65 : x
  2. Step 2: Convert to fraction form
    5,810.59/8,019.78 = 3,688.65/x
  3. Step 3: Cross multiply
    5,810.59x = 8,019.78 × 3,688.65
  4. Step 4: Simplify right side
    5,810.59x = 29,582,147.66
  5. Step 5: Solve for x
    x = 29,582,147.66/5,810.59
  6. Step 6: Final answer
    x = 5,091.07

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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.