Home / 8,723.73-12,038.87-4,744.90

Finding the Fourth Proportional to 8,723.73, 12,038.87 and 4,744.90

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Solution

The fourth proportional to 8,723.73, 12,038.87 and 4,744.90 is: 6,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.73 : 12,038.87 = 4,744.90 : x
  2. Step 2: Convert to fraction form
    8,723.73/12,038.87 = 4,744.90/x
  3. Step 3: Cross multiply
    8,723.73x = 12,038.87 × 4,744.90
  4. Step 4: Simplify right side
    8,723.73x = 57,123,234.26
  5. Step 5: Solve for x
    x = 57,123,234.26/8,723.73
  6. Step 6: Final answer
    x = 6,548.03

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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.