Home / 9,480.04-13,082.16-5,231.20

Finding the Fourth Proportional to 9,480.04, 13,082.16 and 5,231.20

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Solution

The fourth proportional to 9,480.04, 13,082.16 and 5,231.20 is: 7,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.04 : 13,082.16 = 5,231.20 : x
  2. Step 2: Convert to fraction form
    9,480.04/13,082.16 = 5,231.20/x
  3. Step 3: Cross multiply
    9,480.04x = 13,082.16 × 5,231.20
  4. Step 4: Simplify right side
    9,480.04x = 68,435,395.39
  5. Step 5: Solve for x
    x = 68,435,395.39/9,480.04
  6. Step 6: Final answer
    x = 7,218.89

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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.