Home / 9,485.29-13,090.13-5,453.43

Finding the Fourth Proportional to 9,485.29, 13,090.13 and 5,453.43

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Solution

The fourth proportional to 9,485.29, 13,090.13 and 5,453.43 is: 7,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.29 : 13,090.13 = 5,453.43 : x
  2. Step 2: Convert to fraction form
    9,485.29/13,090.13 = 5,453.43/x
  3. Step 3: Cross multiply
    9,485.29x = 13,090.13 × 5,453.43
  4. Step 4: Simplify right side
    9,485.29x = 71,386,032.57
  5. Step 5: Solve for x
    x = 71,386,032.57/9,485.29
  6. Step 6: Final answer
    x = 7,525.97

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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.