Home / 8,468.23-11,678.54-5,480.95

Finding the Fourth Proportional to 8,468.23, 11,678.54 and 5,480.95

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Solution

The fourth proportional to 8,468.23, 11,678.54 and 5,480.95 is: 7,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.23 : 11,678.54 = 5,480.95 : x
  2. Step 2: Convert to fraction form
    8,468.23/11,678.54 = 5,480.95/x
  3. Step 3: Cross multiply
    8,468.23x = 11,678.54 × 5,480.95
  4. Step 4: Simplify right side
    8,468.23x = 64,009,493.81
  5. Step 5: Solve for x
    x = 64,009,493.81/8,468.23
  6. Step 6: Final answer
    x = 7,558.78

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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.