Home / 9,479.36-13,081.16-5,287.52

Finding the Fourth Proportional to 9,479.36, 13,081.16 and 5,287.52

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Solution

The fourth proportional to 9,479.36, 13,081.16 and 5,287.52 is: 7,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.36 : 13,081.16 = 5,287.52 : x
  2. Step 2: Convert to fraction form
    9,479.36/13,081.16 = 5,287.52/x
  3. Step 3: Cross multiply
    9,479.36x = 13,081.16 × 5,287.52
  4. Step 4: Simplify right side
    9,479.36x = 69,166,895.12
  5. Step 5: Solve for x
    x = 69,166,895.12/9,479.36
  6. Step 6: Final answer
    x = 7,296.58

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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.