Home / 8,796.60-12,139.23-4,817.75

Finding the Fourth Proportional to 8,796.60, 12,139.23 and 4,817.75

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Solution

The fourth proportional to 8,796.60, 12,139.23 and 4,817.75 is: 6,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.60 : 12,139.23 = 4,817.75 : x
  2. Step 2: Convert to fraction form
    8,796.60/12,139.23 = 4,817.75/x
  3. Step 3: Cross multiply
    8,796.60x = 12,139.23 × 4,817.75
  4. Step 4: Simplify right side
    8,796.60x = 58,483,732.70
  5. Step 5: Solve for x
    x = 58,483,732.70/8,796.60
  6. Step 6: Final answer
    x = 6,648.45

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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.