Home / 9,269.05-12,790.48-5,491.58

Finding the Fourth Proportional to 9,269.05, 12,790.48 and 5,491.58

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Solution

The fourth proportional to 9,269.05, 12,790.48 and 5,491.58 is: 7,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.05 : 12,790.48 = 5,491.58 : x
  2. Step 2: Convert to fraction form
    9,269.05/12,790.48 = 5,491.58/x
  3. Step 3: Cross multiply
    9,269.05x = 12,790.48 × 5,491.58
  4. Step 4: Simplify right side
    9,269.05x = 70,239,944.16
  5. Step 5: Solve for x
    x = 70,239,944.16/9,269.05
  6. Step 6: Final answer
    x = 7,577.90

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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.