Home / 4,221.12-6,328.80-2,030.88

Finding the Fourth Proportional to 4,221.12, 6,328.80 and 2,030.88

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Solution

The fourth proportional to 4,221.12, 6,328.80 and 2,030.88 is: 3,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.12 : 6,328.80 = 2,030.88 : x
  2. Step 2: Convert to fraction form
    4,221.12/6,328.80 = 2,030.88/x
  3. Step 3: Cross multiply
    4,221.12x = 6,328.80 × 2,030.88
  4. Step 4: Simplify right side
    4,221.12x = 12,853,033.34
  5. Step 5: Solve for x
    x = 12,853,033.34/4,221.12
  6. Step 6: Final answer
    x = 3,044.93

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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.