Home / 8,455.18-12,684.37-2,610.43

Finding the Fourth Proportional to 8,455.18, 12,684.37 and 2,610.43

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Solution

The fourth proportional to 8,455.18, 12,684.37 and 2,610.43 is: 3,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.18 : 12,684.37 = 2,610.43 : x
  2. Step 2: Convert to fraction form
    8,455.18/12,684.37 = 2,610.43/x
  3. Step 3: Cross multiply
    8,455.18x = 12,684.37 × 2,610.43
  4. Step 4: Simplify right side
    8,455.18x = 33,111,583.51
  5. Step 5: Solve for x
    x = 33,111,583.51/8,455.18
  6. Step 6: Final answer
    x = 3,916.13

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1.5x scale

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.