Home / 5,209.83-7,814.39-2,287.13

Finding the Fourth Proportional to 5,209.83, 7,814.39 and 2,287.13

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Solution

The fourth proportional to 5,209.83, 7,814.39 and 2,287.13 is: 3,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.83 : 7,814.39 = 2,287.13 : x
  2. Step 2: Convert to fraction form
    5,209.83/7,814.39 = 2,287.13/x
  3. Step 3: Cross multiply
    5,209.83x = 7,814.39 × 2,287.13
  4. Step 4: Simplify right side
    5,209.83x = 17,872,475.29
  5. Step 5: Solve for x
    x = 17,872,475.29/5,209.83
  6. Step 6: Final answer
    x = 3,430.53

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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.