Home / 5,407.61-8,110.99-1,709.95

Finding the Fourth Proportional to 5,407.61, 8,110.99 and 1,709.95

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Solution

The fourth proportional to 5,407.61, 8,110.99 and 1,709.95 is: 2,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.61 : 8,110.99 = 1,709.95 : x
  2. Step 2: Convert to fraction form
    5,407.61/8,110.99 = 1,709.95/x
  3. Step 3: Cross multiply
    5,407.61x = 8,110.99 × 1,709.95
  4. Step 4: Simplify right side
    5,407.61x = 13,869,387.35
  5. Step 5: Solve for x
    x = 13,869,387.35/5,407.61
  6. Step 6: Final answer
    x = 2,564.79

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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.