Home / 4,701.38-6,487.90-2,605.64

Finding the Fourth Proportional to 4,701.38, 6,487.90 and 2,605.64

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Solution

The fourth proportional to 4,701.38, 6,487.90 and 2,605.64 is: 3,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.38 : 6,487.90 = 2,605.64 : x
  2. Step 2: Convert to fraction form
    4,701.38/6,487.90 = 2,605.64/x
  3. Step 3: Cross multiply
    4,701.38x = 6,487.90 × 2,605.64
  4. Step 4: Simplify right side
    4,701.38x = 16,905,092.80
  5. Step 5: Solve for x
    x = 16,905,092.80/4,701.38
  6. Step 6: Final answer
    x = 3,595.78

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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.