Home / 6,439.08-9,661.86-4,798.92

Finding the Fourth Proportional to 6,439.08, 9,661.86 and 4,798.92

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Solution

The fourth proportional to 6,439.08, 9,661.86 and 4,798.92 is: 7,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.08 : 9,661.86 = 4,798.92 : x
  2. Step 2: Convert to fraction form
    6,439.08/9,661.86 = 4,798.92/x
  3. Step 3: Cross multiply
    6,439.08x = 9,661.86 × 4,798.92
  4. Step 4: Simplify right side
    6,439.08x = 46,366,493.19
  5. Step 5: Solve for x
    x = 46,366,493.19/6,439.08
  6. Step 6: Final answer
    x = 7,200.79

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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.