Home / 8,238.18-11,365.80-4,698.90

Finding the Fourth Proportional to 8,238.18, 11,365.80 and 4,698.90

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Solution

The fourth proportional to 8,238.18, 11,365.80 and 4,698.90 is: 6,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.18 : 11,365.80 = 4,698.90 : x
  2. Step 2: Convert to fraction form
    8,238.18/11,365.80 = 4,698.90/x
  3. Step 3: Cross multiply
    8,238.18x = 11,365.80 × 4,698.90
  4. Step 4: Simplify right side
    8,238.18x = 53,406,757.62
  5. Step 5: Solve for x
    x = 53,406,757.62/8,238.18
  6. Step 6: Final answer
    x = 6,482.83

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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.