Home / 8,648.17-12,973.50-4,206.09

Finding the Fourth Proportional to 8,648.17, 12,973.50 and 4,206.09

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Solution

The fourth proportional to 8,648.17, 12,973.50 and 4,206.09 is: 6,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.17 : 12,973.50 = 4,206.09 : x
  2. Step 2: Convert to fraction form
    8,648.17/12,973.50 = 4,206.09/x
  3. Step 3: Cross multiply
    8,648.17x = 12,973.50 × 4,206.09
  4. Step 4: Simplify right side
    8,648.17x = 54,567,757.27
  5. Step 5: Solve for x
    x = 54,567,757.27/8,648.17
  6. Step 6: Final answer
    x = 6,309.75

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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.