Home / 5,136.15-7,088.10-3,247.05

Finding the Fourth Proportional to 5,136.15, 7,088.10 and 3,247.05

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Solution

The fourth proportional to 5,136.15, 7,088.10 and 3,247.05 is: 4,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.15 : 7,088.10 = 3,247.05 : x
  2. Step 2: Convert to fraction form
    5,136.15/7,088.10 = 3,247.05/x
  3. Step 3: Cross multiply
    5,136.15x = 7,088.10 × 3,247.05
  4. Step 4: Simplify right side
    5,136.15x = 23,015,415.11
  5. Step 5: Solve for x
    x = 23,015,415.11/5,136.15
  6. Step 6: Final answer
    x = 4,481.06

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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.