Home / 5,342.61-8,014.67-1,645.14

Finding the Fourth Proportional to 5,342.61, 8,014.67 and 1,645.14

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Solution

The fourth proportional to 5,342.61, 8,014.67 and 1,645.14 is: 2,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.61 : 8,014.67 = 1,645.14 : x
  2. Step 2: Convert to fraction form
    5,342.61/8,014.67 = 1,645.14/x
  3. Step 3: Cross multiply
    5,342.61x = 8,014.67 × 1,645.14
  4. Step 4: Simplify right side
    5,342.61x = 13,185,205.90
  5. Step 5: Solve for x
    x = 13,185,205.90/5,342.61
  6. Step 6: Final answer
    x = 2,467.94

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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.