Home / 5,430.14-8,145.82-1,731.53

Finding the Fourth Proportional to 5,430.14, 8,145.82 and 1,731.53

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Solution

The fourth proportional to 5,430.14, 8,145.82 and 1,731.53 is: 2,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.14 : 8,145.82 = 1,731.53 : x
  2. Step 2: Convert to fraction form
    5,430.14/8,145.82 = 1,731.53/x
  3. Step 3: Cross multiply
    5,430.14x = 8,145.82 × 1,731.53
  4. Step 4: Simplify right side
    5,430.14x = 14,104,698.67
  5. Step 5: Solve for x
    x = 14,104,698.67/5,430.14
  6. Step 6: Final answer
    x = 2,597.48

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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.