Home / 9,479.59-13,082.12-5,287.75

Finding the Fourth Proportional to 9,479.59, 13,082.12 and 5,287.75

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Solution

The fourth proportional to 9,479.59, 13,082.12 and 5,287.75 is: 7,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.59 : 13,082.12 = 5,287.75 : x
  2. Step 2: Convert to fraction form
    9,479.59/13,082.12 = 5,287.75/x
  3. Step 3: Cross multiply
    9,479.59x = 13,082.12 × 5,287.75
  4. Step 4: Simplify right side
    9,479.59x = 69,174,953.59
  5. Step 5: Solve for x
    x = 69,174,953.59/9,479.59
  6. Step 6: Final answer
    x = 7,297.25

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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.