Home / 5,430.59-8,141.97-3,671.24

Finding the Fourth Proportional to 5,430.59, 8,141.97 and 3,671.24

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Solution

The fourth proportional to 5,430.59, 8,141.97 and 3,671.24 is: 5,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.59 : 8,141.97 = 3,671.24 : x
  2. Step 2: Convert to fraction form
    5,430.59/8,141.97 = 3,671.24/x
  3. Step 3: Cross multiply
    5,430.59x = 8,141.97 × 3,671.24
  4. Step 4: Simplify right side
    5,430.59x = 29,891,125.94
  5. Step 5: Solve for x
    x = 29,891,125.94/5,430.59
  6. Step 6: Final answer
    x = 5,504.21

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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.