Home / 9,140.37-13,710.60-3,292.80

Finding the Fourth Proportional to 9,140.37, 13,710.60 and 3,292.80

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Solution

The fourth proportional to 9,140.37, 13,710.60 and 3,292.80 is: 4,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.37 : 13,710.60 = 3,292.80 : x
  2. Step 2: Convert to fraction form
    9,140.37/13,710.60 = 3,292.80/x
  3. Step 3: Cross multiply
    9,140.37x = 13,710.60 × 3,292.80
  4. Step 4: Simplify right side
    9,140.37x = 45,146,263.68
  5. Step 5: Solve for x
    x = 45,146,263.68/9,140.37
  6. Step 6: Final answer
    x = 4,939.22

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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.