Home / 9,482.12-13,082.28-5,289.56

Finding the Fourth Proportional to 9,482.12, 13,082.28 and 5,289.56

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Solution

The fourth proportional to 9,482.12, 13,082.28 and 5,289.56 is: 7,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482.12 : 13,082.28 = 5,289.56 : x
  2. Step 2: Convert to fraction form
    9,482.12/13,082.28 = 5,289.56/x
  3. Step 3: Cross multiply
    9,482.12x = 13,082.28 × 5,289.56
  4. Step 4: Simplify right side
    9,482.12x = 69,199,505.00
  5. Step 5: Solve for x
    x = 69,199,505.00/9,482.12
  6. Step 6: Final answer
    x = 7,297.89

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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.