Home / 5,779.79-8,669.64-1,831.43

Finding the Fourth Proportional to 5,779.79, 8,669.64 and 1,831.43

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Solution

The fourth proportional to 5,779.79, 8,669.64 and 1,831.43 is: 2,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.79 : 8,669.64 = 1,831.43 : x
  2. Step 2: Convert to fraction form
    5,779.79/8,669.64 = 1,831.43/x
  3. Step 3: Cross multiply
    5,779.79x = 8,669.64 × 1,831.43
  4. Step 4: Simplify right side
    5,779.79x = 15,877,795.44
  5. Step 5: Solve for x
    x = 15,877,795.44/5,779.79
  6. Step 6: Final answer
    x = 2,747.13

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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.