Home / 8,477.28-11,698.38-4,940.64

Finding the Fourth Proportional to 8,477.28, 11,698.38 and 4,940.64

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Solution

The fourth proportional to 8,477.28, 11,698.38 and 4,940.64 is: 6,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.28 : 11,698.38 = 4,940.64 : x
  2. Step 2: Convert to fraction form
    8,477.28/11,698.38 = 4,940.64/x
  3. Step 3: Cross multiply
    8,477.28x = 11,698.38 × 4,940.64
  4. Step 4: Simplify right side
    8,477.28x = 57,797,484.16
  5. Step 5: Solve for x
    x = 57,797,484.16/8,477.28
  6. Step 6: Final answer
    x = 6,817.93

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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.