Home / 8,169.04-11,271.31-4,811.59

Finding the Fourth Proportional to 8,169.04, 11,271.31 and 4,811.59

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Solution

The fourth proportional to 8,169.04, 11,271.31 and 4,811.59 is: 6,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.04 : 11,271.31 = 4,811.59 : x
  2. Step 2: Convert to fraction form
    8,169.04/11,271.31 = 4,811.59/x
  3. Step 3: Cross multiply
    8,169.04x = 11,271.31 × 4,811.59
  4. Step 4: Simplify right side
    8,169.04x = 54,232,922.48
  5. Step 5: Solve for x
    x = 54,232,922.48/8,169.04
  6. Step 6: Final answer
    x = 6,638.84

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1.5x scale

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.