Home / 8,211.18-12,318.90-2,368.26

Finding the Fourth Proportional to 8,211.18, 12,318.90 and 2,368.26

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Solution

The fourth proportional to 8,211.18, 12,318.90 and 2,368.26 is: 3,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.18 : 12,318.90 = 2,368.26 : x
  2. Step 2: Convert to fraction form
    8,211.18/12,318.90 = 2,368.26/x
  3. Step 3: Cross multiply
    8,211.18x = 12,318.90 × 2,368.26
  4. Step 4: Simplify right side
    8,211.18x = 29,174,358.11
  5. Step 5: Solve for x
    x = 29,174,358.11/8,211.18
  6. Step 6: Final answer
    x = 3,553.00

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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.