Home / 5,632.12-7,768.77-4,195.28

Finding the Fourth Proportional to 5,632.12, 7,768.77 and 4,195.28

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Solution

The fourth proportional to 5,632.12, 7,768.77 and 4,195.28 is: 5,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.12 : 7,768.77 = 4,195.28 : x
  2. Step 2: Convert to fraction form
    5,632.12/7,768.77 = 4,195.28/x
  3. Step 3: Cross multiply
    5,632.12x = 7,768.77 × 4,195.28
  4. Step 4: Simplify right side
    5,632.12x = 32,592,165.41
  5. Step 5: Solve for x
    x = 32,592,165.41/5,632.12
  6. Step 6: Final answer
    x = 5,786.84

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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.