Home / 8,698.05-11,998.85-5,505.93

Finding the Fourth Proportional to 8,698.05, 11,998.85 and 5,505.93

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Solution

The fourth proportional to 8,698.05, 11,998.85 and 5,505.93 is: 7,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.05 : 11,998.85 = 5,505.93 : x
  2. Step 2: Convert to fraction form
    8,698.05/11,998.85 = 5,505.93/x
  3. Step 3: Cross multiply
    8,698.05x = 11,998.85 × 5,505.93
  4. Step 4: Simplify right side
    8,698.05x = 66,064,800.65
  5. Step 5: Solve for x
    x = 66,064,800.65/8,698.05
  6. Step 6: Final answer
    x = 7,595.36

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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.