Home / 4,931.39-7,399.25-2,590.85

Finding the Fourth Proportional to 4,931.39, 7,399.25 and 2,590.85

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Solution

The fourth proportional to 4,931.39, 7,399.25 and 2,590.85 is: 3,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.39 : 7,399.25 = 2,590.85 : x
  2. Step 2: Convert to fraction form
    4,931.39/7,399.25 = 2,590.85/x
  3. Step 3: Cross multiply
    4,931.39x = 7,399.25 × 2,590.85
  4. Step 4: Simplify right side
    4,931.39x = 19,170,346.86
  5. Step 5: Solve for x
    x = 19,170,346.86/4,931.39
  6. Step 6: Final answer
    x = 3,887.41

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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.