Home / 8,308.86-11,460.36-4,949.07

Finding the Fourth Proportional to 8,308.86, 11,460.36 and 4,949.07

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Solution

The fourth proportional to 8,308.86, 11,460.36 and 4,949.07 is: 6,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.86 : 11,460.36 = 4,949.07 : x
  2. Step 2: Convert to fraction form
    8,308.86/11,460.36 = 4,949.07/x
  3. Step 3: Cross multiply
    8,308.86x = 11,460.36 × 4,949.07
  4. Step 4: Simplify right side
    8,308.86x = 56,718,123.87
  5. Step 5: Solve for x
    x = 56,718,123.87/8,308.86
  6. Step 6: Final answer
    x = 6,826.22

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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.