Home / 6,262.78-8,642.77-3,430.28

Finding the Fourth Proportional to 6,262.78, 8,642.77 and 3,430.28

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Solution

The fourth proportional to 6,262.78, 8,642.77 and 3,430.28 is: 4,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.78 : 8,642.77 = 3,430.28 : x
  2. Step 2: Convert to fraction form
    6,262.78/8,642.77 = 3,430.28/x
  3. Step 3: Cross multiply
    6,262.78x = 8,642.77 × 3,430.28
  4. Step 4: Simplify right side
    6,262.78x = 29,647,101.57
  5. Step 5: Solve for x
    x = 29,647,101.57/6,262.78
  6. Step 6: Final answer
    x = 4,733.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.