Home / 5,439-8,159.09-1,740.36

Finding the Fourth Proportional to 5,439, 8,159.09 and 1,740.36

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Solution

The fourth proportional to 5,439, 8,159.09 and 1,740.36 is: 2,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439 : 8,159.09 = 1,740.36 : x
  2. Step 2: Convert to fraction form
    5,439/8,159.09 = 1,740.36/x
  3. Step 3: Cross multiply
    5,439x = 8,159.09 × 1,740.36
  4. Step 4: Simplify right side
    5,439x = 14,199,745.17
  5. Step 5: Solve for x
    x = 14,199,745.17/5,439
  6. Step 6: Final answer
    x = 2,610.73

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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.