Home / 8,317.23-11,479.61-5,291.73

Finding the Fourth Proportional to 8,317.23, 11,479.61 and 5,291.73

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Solution

The fourth proportional to 8,317.23, 11,479.61 and 5,291.73 is: 7,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.23 : 11,479.61 = 5,291.73 : x
  2. Step 2: Convert to fraction form
    8,317.23/11,479.61 = 5,291.73/x
  3. Step 3: Cross multiply
    8,317.23x = 11,479.61 × 5,291.73
  4. Step 4: Simplify right side
    8,317.23x = 60,746,980.09
  5. Step 5: Solve for x
    x = 60,746,980.09/8,317.23
  6. Step 6: Final answer
    x = 7,303.75

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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.