Home / 5,779.06-8,669.77-1,831.34

Finding the Fourth Proportional to 5,779.06, 8,669.77 and 1,831.34

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Solution

The fourth proportional to 5,779.06, 8,669.77 and 1,831.34 is: 2,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.06 : 8,669.77 = 1,831.34 : x
  2. Step 2: Convert to fraction form
    5,779.06/8,669.77 = 1,831.34/x
  3. Step 3: Cross multiply
    5,779.06x = 8,669.77 × 1,831.34
  4. Step 4: Simplify right side
    5,779.06x = 15,877,313.69
  5. Step 5: Solve for x
    x = 15,877,313.69/5,779.06
  6. Step 6: Final answer
    x = 2,747.39

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1.5x scale

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.