Home / 5,825.81-8,740.07-1,665.87

Finding the Fourth Proportional to 5,825.81, 8,740.07 and 1,665.87

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Solution

The fourth proportional to 5,825.81, 8,740.07 and 1,665.87 is: 2,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.81 : 8,740.07 = 1,665.87 : x
  2. Step 2: Convert to fraction form
    5,825.81/8,740.07 = 1,665.87/x
  3. Step 3: Cross multiply
    5,825.81x = 8,740.07 × 1,665.87
  4. Step 4: Simplify right side
    5,825.81x = 14,559,812.08
  5. Step 5: Solve for x
    x = 14,559,812.08/5,825.81
  6. Step 6: Final answer
    x = 2,499.19

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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.