Home / 4,631.09-6,390.90-2,535.21

Finding the Fourth Proportional to 4,631.09, 6,390.90 and 2,535.21

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Solution

The fourth proportional to 4,631.09, 6,390.90 and 2,535.21 is: 3,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.09 : 6,390.90 = 2,535.21 : x
  2. Step 2: Convert to fraction form
    4,631.09/6,390.90 = 2,535.21/x
  3. Step 3: Cross multiply
    4,631.09x = 6,390.90 × 2,535.21
  4. Step 4: Simplify right side
    4,631.09x = 16,202,273.59
  5. Step 5: Solve for x
    x = 16,202,273.59/4,631.09
  6. Step 6: Final answer
    x = 3,498.59

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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.