Home / 8,699.14-12,001.80-5,339.44

Finding the Fourth Proportional to 8,699.14, 12,001.80 and 5,339.44

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Solution

The fourth proportional to 8,699.14, 12,001.80 and 5,339.44 is: 7,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.14 : 12,001.80 = 5,339.44 : x
  2. Step 2: Convert to fraction form
    8,699.14/12,001.80 = 5,339.44/x
  3. Step 3: Cross multiply
    8,699.14x = 12,001.80 × 5,339.44
  4. Step 4: Simplify right side
    8,699.14x = 64,082,890.99
  5. Step 5: Solve for x
    x = 64,082,890.99/8,699.14
  6. Step 6: Final answer
    x = 7,366.58

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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.