Home / 9,485.90-13,090.30-5,236.80

Finding the Fourth Proportional to 9,485.90, 13,090.30 and 5,236.80

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Solution

The fourth proportional to 9,485.90, 13,090.30 and 5,236.80 is: 7,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.90 : 13,090.30 = 5,236.80 : x
  2. Step 2: Convert to fraction form
    9,485.90/13,090.30 = 5,236.80/x
  3. Step 3: Cross multiply
    9,485.90x = 13,090.30 × 5,236.80
  4. Step 4: Simplify right side
    9,485.90x = 68,551,283.04
  5. Step 5: Solve for x
    x = 68,551,283.04/9,485.90
  6. Step 6: Final answer
    x = 7,226.65

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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.