Home / 8,320.36-11,481.15-4,784.71

Finding the Fourth Proportional to 8,320.36, 11,481.15 and 4,784.71

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Solution

The fourth proportional to 8,320.36, 11,481.15 and 4,784.71 is: 6,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.36 : 11,481.15 = 4,784.71 : x
  2. Step 2: Convert to fraction form
    8,320.36/11,481.15 = 4,784.71/x
  3. Step 3: Cross multiply
    8,320.36x = 11,481.15 × 4,784.71
  4. Step 4: Simplify right side
    8,320.36x = 54,933,944.51
  5. Step 5: Solve for x
    x = 54,933,944.51/8,320.36
  6. Step 6: Final answer
    x = 6,602.35

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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.