Home / 7,477.86-11,214.31-2,479.08

Finding the Fourth Proportional to 7,477.86, 11,214.31 and 2,479.08

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Solution

The fourth proportional to 7,477.86, 11,214.31 and 2,479.08 is: 3,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.86 : 11,214.31 = 2,479.08 : x
  2. Step 2: Convert to fraction form
    7,477.86/11,214.31 = 2,479.08/x
  3. Step 3: Cross multiply
    7,477.86x = 11,214.31 × 2,479.08
  4. Step 4: Simplify right side
    7,477.86x = 27,801,171.63
  5. Step 5: Solve for x
    x = 27,801,171.63/7,477.86
  6. Step 6: Final answer
    x = 3,717.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.