Home / 5,890.16-8,829.75-1,991.86

Finding the Fourth Proportional to 5,890.16, 8,829.75 and 1,991.86

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Solution

The fourth proportional to 5,890.16, 8,829.75 and 1,991.86 is: 2,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.16 : 8,829.75 = 1,991.86 : x
  2. Step 2: Convert to fraction form
    5,890.16/8,829.75 = 1,991.86/x
  3. Step 3: Cross multiply
    5,890.16x = 8,829.75 × 1,991.86
  4. Step 4: Simplify right side
    5,890.16x = 17,587,625.84
  5. Step 5: Solve for x
    x = 17,587,625.84/5,890.16
  6. Step 6: Final answer
    x = 2,985.93

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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.