Home / 8,386.21-12,580.67-2,541.45

Finding the Fourth Proportional to 8,386.21, 12,580.67 and 2,541.45

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Solution

The fourth proportional to 8,386.21, 12,580.67 and 2,541.45 is: 3,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.21 : 12,580.67 = 2,541.45 : x
  2. Step 2: Convert to fraction form
    8,386.21/12,580.67 = 2,541.45/x
  3. Step 3: Cross multiply
    8,386.21x = 12,580.67 × 2,541.45
  4. Step 4: Simplify right side
    8,386.21x = 31,973,183.01
  5. Step 5: Solve for x
    x = 31,973,183.01/8,386.21
  6. Step 6: Final answer
    x = 3,812.59

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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.