Home / 5,188.75-7,155.48-3,491.08

Finding the Fourth Proportional to 5,188.75, 7,155.48 and 3,491.08

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Solution

The fourth proportional to 5,188.75, 7,155.48 and 3,491.08 is: 4,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.75 : 7,155.48 = 3,491.08 : x
  2. Step 2: Convert to fraction form
    5,188.75/7,155.48 = 3,491.08/x
  3. Step 3: Cross multiply
    5,188.75x = 7,155.48 × 3,491.08
  4. Step 4: Simplify right side
    5,188.75x = 24,980,353.12
  5. Step 5: Solve for x
    x = 24,980,353.12/5,188.75
  6. Step 6: Final answer
    x = 4,814.33

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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.