Home / 8,830.64-12,188.39-5,055.99

Finding the Fourth Proportional to 8,830.64, 12,188.39 and 5,055.99

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Solution

The fourth proportional to 8,830.64, 12,188.39 and 5,055.99 is: 6,978.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.64 : 12,188.39 = 5,055.99 : x
  2. Step 2: Convert to fraction form
    8,830.64/12,188.39 = 5,055.99/x
  3. Step 3: Cross multiply
    8,830.64x = 12,188.39 × 5,055.99
  4. Step 4: Simplify right side
    8,830.64x = 61,624,352.68
  5. Step 5: Solve for x
    x = 61,624,352.68/8,830.64
  6. Step 6: Final answer
    x = 6,978.47

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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.