Home / 5,424.37-8,136.39-1,726.82

Finding the Fourth Proportional to 5,424.37, 8,136.39 and 1,726.82

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Solution

The fourth proportional to 5,424.37, 8,136.39 and 1,726.82 is: 2,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.37 : 8,136.39 = 1,726.82 : x
  2. Step 2: Convert to fraction form
    5,424.37/8,136.39 = 1,726.82/x
  3. Step 3: Cross multiply
    5,424.37x = 8,136.39 × 1,726.82
  4. Step 4: Simplify right side
    5,424.37x = 14,050,077.28
  5. Step 5: Solve for x
    x = 14,050,077.28/5,424.37
  6. Step 6: Final answer
    x = 2,590.18

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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.