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Finding the Fourth Proportional to 9,480.30, 13,082.10 and 5,446.30

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Solution

The fourth proportional to 9,480.30, 13,082.10 and 5,446.30 is: 7,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.30 : 13,082.10 = 5,446.30 : x
  2. Step 2: Convert to fraction form
    9,480.30/13,082.10 = 5,446.30/x
  3. Step 3: Cross multiply
    9,480.30x = 13,082.10 × 5,446.30
  4. Step 4: Simplify right side
    9,480.30x = 71,249,041.23
  5. Step 5: Solve for x
    x = 71,249,041.23/9,480.30
  6. Step 6: Final answer
    x = 7,515.48

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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.