Home / 9,288.47-13,936.33-4,090.70

Finding the Fourth Proportional to 9,288.47, 13,936.33 and 4,090.70

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Solution

The fourth proportional to 9,288.47, 13,936.33 and 4,090.70 is: 6,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.47 : 13,936.33 = 4,090.70 : x
  2. Step 2: Convert to fraction form
    9,288.47/13,936.33 = 4,090.70/x
  3. Step 3: Cross multiply
    9,288.47x = 13,936.33 × 4,090.70
  4. Step 4: Simplify right side
    9,288.47x = 57,009,265.22
  5. Step 5: Solve for x
    x = 57,009,265.22/9,288.47
  6. Step 6: Final answer
    x = 6,137.64

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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.