Home / 8,885.38-13,313.47-3,038.80

Finding the Fourth Proportional to 8,885.38, 13,313.47 and 3,038.80

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Solution

The fourth proportional to 8,885.38, 13,313.47 and 3,038.80 is: 4,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.38 : 13,313.47 = 3,038.80 : x
  2. Step 2: Convert to fraction form
    8,885.38/13,313.47 = 3,038.80/x
  3. Step 3: Cross multiply
    8,885.38x = 13,313.47 × 3,038.80
  4. Step 4: Simplify right side
    8,885.38x = 40,456,972.64
  5. Step 5: Solve for x
    x = 40,456,972.64/8,885.38
  6. Step 6: Final answer
    x = 4,553.21

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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.