Home / 5,374.23-7,416.30-3,136.20

Finding the Fourth Proportional to 5,374.23, 7,416.30 and 3,136.20

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Solution

The fourth proportional to 5,374.23, 7,416.30 and 3,136.20 is: 4,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.23 : 7,416.30 = 3,136.20 : x
  2. Step 2: Convert to fraction form
    5,374.23/7,416.30 = 3,136.20/x
  3. Step 3: Cross multiply
    5,374.23x = 7,416.30 × 3,136.20
  4. Step 4: Simplify right side
    5,374.23x = 23,259,000.06
  5. Step 5: Solve for x
    x = 23,259,000.06/5,374.23
  6. Step 6: Final answer
    x = 4,327.88

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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.