Home / 8,580.22-12,875.19-4,880.14

Finding the Fourth Proportional to 8,580.22, 12,875.19 and 4,880.14

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Solution

The fourth proportional to 8,580.22, 12,875.19 and 4,880.14 is: 7,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.22 : 12,875.19 = 4,880.14 : x
  2. Step 2: Convert to fraction form
    8,580.22/12,875.19 = 4,880.14/x
  3. Step 3: Cross multiply
    8,580.22x = 12,875.19 × 4,880.14
  4. Step 4: Simplify right side
    8,580.22x = 62,832,729.73
  5. Step 5: Solve for x
    x = 62,832,729.73/8,580.22
  6. Step 6: Final answer
    x = 7,322.97

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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.