Home / 8,403.85-12,610.02-3,477.02

Finding the Fourth Proportional to 8,403.85, 12,610.02 and 3,477.02

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Solution

The fourth proportional to 8,403.85, 12,610.02 and 3,477.02 is: 5,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.85 : 12,610.02 = 3,477.02 : x
  2. Step 2: Convert to fraction form
    8,403.85/12,610.02 = 3,477.02/x
  3. Step 3: Cross multiply
    8,403.85x = 12,610.02 × 3,477.02
  4. Step 4: Simplify right side
    8,403.85x = 43,845,291.74
  5. Step 5: Solve for x
    x = 43,845,291.74/8,403.85
  6. Step 6: Final answer
    x = 5,217.29

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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.