Home / 5,617.82-8,430.49-2,330.91

Finding the Fourth Proportional to 5,617.82, 8,430.49 and 2,330.91

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Solution

The fourth proportional to 5,617.82, 8,430.49 and 2,330.91 is: 3,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.82 : 8,430.49 = 2,330.91 : x
  2. Step 2: Convert to fraction form
    5,617.82/8,430.49 = 2,330.91/x
  3. Step 3: Cross multiply
    5,617.82x = 8,430.49 × 2,330.91
  4. Step 4: Simplify right side
    5,617.82x = 19,650,713.78
  5. Step 5: Solve for x
    x = 19,650,713.78/5,617.82
  6. Step 6: Final answer
    x = 3,497.93

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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.