Home / 5,374.02-7,415.66-3,136.08

Finding the Fourth Proportional to 5,374.02, 7,415.66 and 3,136.08

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Solution

The fourth proportional to 5,374.02, 7,415.66 and 3,136.08 is: 4,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.02 : 7,415.66 = 3,136.08 : x
  2. Step 2: Convert to fraction form
    5,374.02/7,415.66 = 3,136.08/x
  3. Step 3: Cross multiply
    5,374.02x = 7,415.66 × 3,136.08
  4. Step 4: Simplify right side
    5,374.02x = 23,256,103.01
  5. Step 5: Solve for x
    x = 23,256,103.01/5,374.02
  6. Step 6: Final answer
    x = 4,327.51

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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.