Home / 6,632.23-9,152.48-3,979.64

Finding the Fourth Proportional to 6,632.23, 9,152.48 and 3,979.64

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Solution

The fourth proportional to 6,632.23, 9,152.48 and 3,979.64 is: 5,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.23 : 9,152.48 = 3,979.64 : x
  2. Step 2: Convert to fraction form
    6,632.23/9,152.48 = 3,979.64/x
  3. Step 3: Cross multiply
    6,632.23x = 9,152.48 × 3,979.64
  4. Step 4: Simplify right side
    6,632.23x = 36,423,509.85
  5. Step 5: Solve for x
    x = 36,423,509.85/6,632.23
  6. Step 6: Final answer
    x = 5,491.90

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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.