Home / 4,425.18-6,638.90-1,305.06

Finding the Fourth Proportional to 4,425.18, 6,638.90 and 1,305.06

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Solution

The fourth proportional to 4,425.18, 6,638.90 and 1,305.06 is: 1,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.18 : 6,638.90 = 1,305.06 : x
  2. Step 2: Convert to fraction form
    4,425.18/6,638.90 = 1,305.06/x
  3. Step 3: Cross multiply
    4,425.18x = 6,638.90 × 1,305.06
  4. Step 4: Simplify right side
    4,425.18x = 8,664,141.20
  5. Step 5: Solve for x
    x = 8,664,141.20/4,425.18
  6. Step 6: Final answer
    x = 1,957.92

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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.