Home / 9,479.54-13,082.04-5,230.88

Finding the Fourth Proportional to 9,479.54, 13,082.04 and 5,230.88

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Solution

The fourth proportional to 9,479.54, 13,082.04 and 5,230.88 is: 7,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.54 : 13,082.04 = 5,230.88 : x
  2. Step 2: Convert to fraction form
    9,479.54/13,082.04 = 5,230.88/x
  3. Step 3: Cross multiply
    9,479.54x = 13,082.04 × 5,230.88
  4. Step 4: Simplify right side
    9,479.54x = 68,430,581.40
  5. Step 5: Solve for x
    x = 68,430,581.40/9,479.54
  6. Step 6: Final answer
    x = 7,218.77

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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.