Home / 9,620.13-13,276.04-5,371.02

Finding the Fourth Proportional to 9,620.13, 13,276.04 and 5,371.02

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Solution

The fourth proportional to 9,620.13, 13,276.04 and 5,371.02 is: 7,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.13 : 13,276.04 = 5,371.02 : x
  2. Step 2: Convert to fraction form
    9,620.13/13,276.04 = 5,371.02/x
  3. Step 3: Cross multiply
    9,620.13x = 13,276.04 × 5,371.02
  4. Step 4: Simplify right side
    9,620.13x = 71,305,931.95
  5. Step 5: Solve for x
    x = 71,305,931.95/9,620.13
  6. Step 6: Final answer
    x = 7,412.16

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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.