Home / 4,783.50-7,178.09-2,186.64

Finding the Fourth Proportional to 4,783.50, 7,178.09 and 2,186.64

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Solution

The fourth proportional to 4,783.50, 7,178.09 and 2,186.64 is: 3,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.50 : 7,178.09 = 2,186.64 : x
  2. Step 2: Convert to fraction form
    4,783.50/7,178.09 = 2,186.64/x
  3. Step 3: Cross multiply
    4,783.50x = 7,178.09 × 2,186.64
  4. Step 4: Simplify right side
    4,783.50x = 15,695,887.78
  5. Step 5: Solve for x
    x = 15,695,887.78/4,783.50
  6. Step 6: Final answer
    x = 3,281.26

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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.