Home / 9,235.60-13,853.40-2,661.20

Finding the Fourth Proportional to 9,235.60, 13,853.40 and 2,661.20

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Solution

The fourth proportional to 9,235.60, 13,853.40 and 2,661.20 is: 3,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.60 : 13,853.40 = 2,661.20 : x
  2. Step 2: Convert to fraction form
    9,235.60/13,853.40 = 2,661.20/x
  3. Step 3: Cross multiply
    9,235.60x = 13,853.40 × 2,661.20
  4. Step 4: Simplify right side
    9,235.60x = 36,866,668.08
  5. Step 5: Solve for x
    x = 36,866,668.08/9,235.60
  6. Step 6: Final answer
    x = 3,991.80

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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.