Home / 5,374.65-7,415.28-3,136.22

Finding the Fourth Proportional to 5,374.65, 7,415.28 and 3,136.22

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Solution

The fourth proportional to 5,374.65, 7,415.28 and 3,136.22 is: 4,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.65 : 7,415.28 = 3,136.22 : x
  2. Step 2: Convert to fraction form
    5,374.65/7,415.28 = 3,136.22/x
  3. Step 3: Cross multiply
    5,374.65x = 7,415.28 × 3,136.22
  4. Step 4: Simplify right side
    5,374.65x = 23,255,940.17
  5. Step 5: Solve for x
    x = 23,255,940.17/5,374.65
  6. Step 6: Final answer
    x = 4,326.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.