Home / 8,697.06-13,045.50-2,123.28

Finding the Fourth Proportional to 8,697.06, 13,045.50 and 2,123.28

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Solution

The fourth proportional to 8,697.06, 13,045.50 and 2,123.28 is: 3,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.06 : 13,045.50 = 2,123.28 : x
  2. Step 2: Convert to fraction form
    8,697.06/13,045.50 = 2,123.28/x
  3. Step 3: Cross multiply
    8,697.06x = 13,045.50 × 2,123.28
  4. Step 4: Simplify right side
    8,697.06x = 27,699,249.24
  5. Step 5: Solve for x
    x = 27,699,249.24/8,697.06
  6. Step 6: Final answer
    x = 3,184.90

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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.