Home / 8,755.38-13,133.18-2,911.98

Finding the Fourth Proportional to 8,755.38, 13,133.18 and 2,911.98

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Solution

The fourth proportional to 8,755.38, 13,133.18 and 2,911.98 is: 4,368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.38 : 13,133.18 = 2,911.98 : x
  2. Step 2: Convert to fraction form
    8,755.38/13,133.18 = 2,911.98/x
  3. Step 3: Cross multiply
    8,755.38x = 13,133.18 × 2,911.98
  4. Step 4: Simplify right side
    8,755.38x = 38,243,557.50
  5. Step 5: Solve for x
    x = 38,243,557.50/8,755.38
  6. Step 6: Final answer
    x = 4,368.01

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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.