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Finding the Fourth Proportional to 8,020.40, 12,026.04 and 6,372.08

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Solution

The fourth proportional to 8,020.40, 12,026.04 and 6,372.08 is: 9,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.40 : 12,026.04 = 6,372.08 : x
  2. Step 2: Convert to fraction form
    8,020.40/12,026.04 = 6,372.08/x
  3. Step 3: Cross multiply
    8,020.40x = 12,026.04 × 6,372.08
  4. Step 4: Simplify right side
    8,020.40x = 76,630,888.96
  5. Step 5: Solve for x
    x = 76,630,888.96/8,020.40
  6. Step 6: Final answer
    x = 9,554.50

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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.