Home / 8,340.33-11,509.31-4,984.99

Finding the Fourth Proportional to 8,340.33, 11,509.31 and 4,984.99

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Solution

The fourth proportional to 8,340.33, 11,509.31 and 4,984.99 is: 6,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.33 : 11,509.31 = 4,984.99 : x
  2. Step 2: Convert to fraction form
    8,340.33/11,509.31 = 4,984.99/x
  3. Step 3: Cross multiply
    8,340.33x = 11,509.31 × 4,984.99
  4. Step 4: Simplify right side
    8,340.33x = 57,373,822.11
  5. Step 5: Solve for x
    x = 57,373,822.11/8,340.33
  6. Step 6: Final answer
    x = 6,879.09

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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.