Home / 8,386.44-12,580.99-2,840.10

Finding the Fourth Proportional to 8,386.44, 12,580.99 and 2,840.10

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Solution

The fourth proportional to 8,386.44, 12,580.99 and 2,840.10 is: 4,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.44 : 12,580.99 = 2,840.10 : x
  2. Step 2: Convert to fraction form
    8,386.44/12,580.99 = 2,840.10/x
  3. Step 3: Cross multiply
    8,386.44x = 12,580.99 × 2,840.10
  4. Step 4: Simplify right side
    8,386.44x = 35,731,215.42
  5. Step 5: Solve for x
    x = 35,731,215.42/8,386.44
  6. Step 6: Final answer
    x = 4,260.60

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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.