Home / 5,373.30-8,047.80-3,186.30

Finding the Fourth Proportional to 5,373.30, 8,047.80 and 3,186.30

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Solution

The fourth proportional to 5,373.30, 8,047.80 and 3,186.30 is: 4,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.30 : 8,047.80 = 3,186.30 : x
  2. Step 2: Convert to fraction form
    5,373.30/8,047.80 = 3,186.30/x
  3. Step 3: Cross multiply
    5,373.30x = 8,047.80 × 3,186.30
  4. Step 4: Simplify right side
    5,373.30x = 25,642,705.14
  5. Step 5: Solve for x
    x = 25,642,705.14/5,373.30
  6. Step 6: Final answer
    x = 4,772.25

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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.