Home / 9,133.36-13,698.96-3,590.80

Finding the Fourth Proportional to 9,133.36, 13,698.96 and 3,590.80

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Solution

The fourth proportional to 9,133.36, 13,698.96 and 3,590.80 is: 5,385.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.36 : 13,698.96 = 3,590.80 : x
  2. Step 2: Convert to fraction form
    9,133.36/13,698.96 = 3,590.80/x
  3. Step 3: Cross multiply
    9,133.36x = 13,698.96 × 3,590.80
  4. Step 4: Simplify right side
    9,133.36x = 49,190,225.57
  5. Step 5: Solve for x
    x = 49,190,225.57/9,133.36
  6. Step 6: Final answer
    x = 5,385.78

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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.