Home / 5,209.62-7,814.67-2,899.38

Finding the Fourth Proportional to 5,209.62, 7,814.67 and 2,899.38

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Solution

The fourth proportional to 5,209.62, 7,814.67 and 2,899.38 is: 4,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.62 : 7,814.67 = 2,899.38 : x
  2. Step 2: Convert to fraction form
    5,209.62/7,814.67 = 2,899.38/x
  3. Step 3: Cross multiply
    5,209.62x = 7,814.67 × 2,899.38
  4. Step 4: Simplify right side
    5,209.62x = 22,657,697.90
  5. Step 5: Solve for x
    x = 22,657,697.90/5,209.62
  6. Step 6: Final answer
    x = 4,349.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.