Home / 6,140.72-8,474.08-3,488.24

Finding the Fourth Proportional to 6,140.72, 8,474.08 and 3,488.24

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Solution

The fourth proportional to 6,140.72, 8,474.08 and 3,488.24 is: 4,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.72 : 8,474.08 = 3,488.24 : x
  2. Step 2: Convert to fraction form
    6,140.72/8,474.08 = 3,488.24/x
  3. Step 3: Cross multiply
    6,140.72x = 8,474.08 × 3,488.24
  4. Step 4: Simplify right side
    6,140.72x = 29,559,624.82
  5. Step 5: Solve for x
    x = 29,559,624.82/6,140.72
  6. Step 6: Final answer
    x = 4,813.71

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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.